Nextcloud AIO stuck creating containers in Virtual Machines

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The Basics

  • Nextcloud Server version (e.g., 29.x.x):
    • 33.0.0
  • Operating system and version (e.g., Ubuntu 24.04):
    • Fedora 43
  • Web server and version (e.g, Apache 2.4.25):
    • 2.4.66
  • Reverse proxy and version _(e.g. nginx 1.27.2)
    • None
  • PHP version (e.g, 8.3):
    • 8.3.30
  • Is this the first time you’ve seen this error? (Yes / No):
    • Yes
  • When did this problem seem to first start?
    • Today
  • Installation method (e.g. AlO, NCP, Bare Metal/Archive, etc.)
    • AlO
  • Are you using CloudfIare, mod_security, or similar? (Yes / No)
    • No

Summary of the issue you are facing:

I’m trying to setup AIO in a VM, but no matter which I use, be it KVM, VirtualBox or VMWare, after making all the docker setup and starting AIO, after entering domain and picking the containers you want (I went with all defaults, no extra stuff besides picking Winter), I pressed the Start Containers button and it seems to work for a little bet, then it gets stuck or timeouts? it never does anything, after refreshing, several containers and images are missing.

The Master Container’s logs don’t contain anything helpful, I have no idea how to troubleshoot this one, given the lack of logs, doing this same process outside of a VM works flawlessly and I’ve successfully setup AIO in regular non-VM systems.

If I refresh the AIO Config website after it is stuck like this for a long time, I can stop all containers and try to start them again, but it’s the same, it just gets stuck and I’m not sure what’s wrong, or where to get logs for it, checking docker’s own logs seems to yield nothing weird, and mastercontainer’s own logs are basically empty besides start up messages, so I don’t know where to find the cause of the timeout or block.

I’ve made sure to set SELinux permissive on host and guest just in case, DNS is not an issue and both host and guest can talk to each other, can browse the web and both host and guest can download all images from the AIO repos (I manually pulled them on both sides to make sure they weren’t being blocked or unable to resolve, they all pulled successfully).

I’m honestly stuck and would really appreciate some help, as I said, nothing like this happens in Host, only in VM Guests.

Steps to replicate it (hint: details matter!):

  1. Make a VM (I’ve tried QEMU/KVM, VirtualBox and VMWare, Debian and Fedora based guests)

  2. Setup Docker and Install AIO

  3. Go to the AIO initial config, get past domain validation and start your containers for the first time.

Hi, do you run a reverse proxy in front maybe? Do you adjust the csp headers manually?

I’ve done only default config, no headers customized, no reverse proxy besides what comes directly with Nextcloud AIO, that said, I did setup the docker compose expecting that once I’m done setting it up, I’d expose the VM to the host via a reverse proxy, which hasn’t been setup.

name: nextcloud-aio # Add the container to the same compose project like all the sibling containers are added to automatically.
services:
  nextcloud-aio-mastercontainer:
    image: ghcr.io/nextcloud-releases/all-in-one:latest # This is the container image used. You can switch to ghcr.io/nextcloud-releases/all-in-one:beta if you want to help testing new releases. See https://github.com/nextcloud/all-in-one#how-to-switch-the-channel
    init: true # This setting makes sure that signals from main process inside the container are correctly forwarded to children. See https://docs.docker.com/reference/compose-file/services/#init
    restart: unless-stopped # This makes sure that the container starts always together with the host OS. See https://docs.docker.com/reference/compose-file/services/#restart
    container_name: nextcloud-aio-mastercontainer # This line is not allowed to be changed as otherwise AIO will not work correctly
    volumes:
      - nextcloud_aio_mastercontainer:/mnt/docker-aio-config # This line is not allowed to be changed as otherwise the built-in backup solution will not work
      - /var/run/docker.sock:/var/run/docker.sock:ro # May be changed on macOS, Windows or docker rootless. See the applicable documentation. If adjusting, don't forget to also set 'WATCHTOWER_DOCKER_SOCKET_PATH'!
    network_mode: bridge # This adds the container to the same network as docker run would do. Comment this line and uncomment the line below and the networks section at the end of the file if you want to define a custom MTU size for the docker network
    # networks: ["nextcloud-aio"]
    ports:
      # - 80:80 # Can be removed when running behind a web server or reverse proxy (like Apache, Nginx, Caddy, Cloudflare Tunnel and else). See https://github.com/nextcloud/all-in-one/blob/main/reverse-proxy.md
      - 8081:8080 # This is the AIO interface, served via https and self-signed certificate. See https://github.com/nextcloud/all-in-one#explanation-of-used-ports
    # - 8443:8443 # Can be removed when running behind a web server or reverse proxy (like Apache, Nginx, Caddy, Cloudflare Tunnel and else). See https://github.com/nextcloud/all-in-one/blob/main/reverse-proxy.md
    # security_opt: ["label:disable"] # Is needed when using SELinux. See https://github.com/nextcloud/all-in-one#are-there-known-problems-when-selinux-is-enabled
    environment: # Is needed when using any of the options below
      # AIO_DISABLE_BACKUP_SECTION: false # Setting this to true allows to hide the backup section in the AIO interface. See https://github.com/nextcloud/all-in-one#how-to-disable-the-backup-section
      APACHE_PORT: 12000 # Is needed when running behind a web server or reverse proxy (like Apache, Nginx, Caddy, Cloudflare Tunnel and else). See https://github.com/nextcloud/all-in-one/blob/main/reverse-proxy.md
      APACHE_IP_BINDING: 0.0.0.0 # Should be set when running behind a web server or reverse proxy (like Apache, Nginx, Caddy, Cloudflare Tunnel and else) that is running on the same host. See https://github.com/nextcloud/all-in-one/blob/main/reverse-proxy.md
      # APACHE_ADDITIONAL_NETWORK: frontend_net # (Optional) Connect the apache container to an additional docker network. Needed when behind a web server or reverse proxy (like Apache, Nginx, Caddy, Cloudflare Tunnel and else) running in a different docker network on same server. See https://github.com/nextcloud/all-in-one/blob/main/reverse-proxy.md
      # BORG_RETENTION_POLICY: --keep-within=7d --keep-weekly=4 --keep-monthly=6 # Allows to adjust borgs retention policy. See https://github.com/nextcloud/all-in-one#how-to-adjust-borgs-retention-policy
      # COLLABORA_SECCOMP_DISABLED: false # Setting this to true allows to disable Collabora's Seccomp feature. See https://github.com/nextcloud/all-in-one#how-to-disable-collaboras-seccomp-feature
      # DOCKER_API_VERSION: 1.44 # You can adjust the internally used docker api version with this variable. ⚠️⚠️⚠️ Warning: please note that only the default api version (unset this variable) is supported and tested by the maintainers of Nextcloud AIO. So use this on your own risk and things might break without warning. See https://github.com/nextcloud/all-in-one#how-to-adjust-the-internally-used-docker-api-version
      # FULLTEXTSEARCH_JAVA_OPTIONS: "-Xms1024M -Xmx1024M" # Allows to adjust the fulltextsearch java options. See https://github.com/nextcloud/all-in-one#how-to-adjust-the-fulltextsearch-java-options
      NEXTCLOUD_DATADIR: /mnt/nextcloud/ncdata # Allows to set the host directory for Nextcloud's datadir. ⚠️⚠️⚠️ Warning: do not set or adjust this value after the initial Nextcloud installation is done! See https://github.com/nextcloud/all-in-one#how-to-change-the-default-location-of-nextclouds-datadir
      # NEXTCLOUD_MOUNT: /mnt/ # Allows the Nextcloud container to access the chosen directory on the host. See https://github.com/nextcloud/all-in-one#how-to-allow-the-nextcloud-container-to-access-directories-on-the-host
      # NEXTCLOUD_UPLOAD_LIMIT: 16G # Can be adjusted if you need more. See https://github.com/nextcloud/all-in-one#how-to-adjust-the-upload-limit-for-nextcloud
      # NEXTCLOUD_MAX_TIME: 3600 # Can be adjusted if you need more. See https://github.com/nextcloud/all-in-one#how-to-adjust-the-max-execution-time-for-nextcloud
      # NEXTCLOUD_MEMORY_LIMIT: 512M # Can be adjusted if you need more. See https://github.com/nextcloud/all-in-one#how-to-adjust-the-php-memory-limit-for-nextcloud
      # NEXTCLOUD_TRUSTED_CACERTS_DIR: /path/to/my/cacerts # CA certificates in this directory will be trusted by the OS of the nextcloud container (Useful e.g. for LDAPS) See https://github.com/nextcloud/all-in-one#how-to-trust-user-defined-certification-authorities-ca
      # NEXTCLOUD_STARTUP_APPS: deck twofactor_totp tasks calendar contacts notes # Allows to modify the Nextcloud apps that are installed on starting AIO the first time. See https://github.com/nextcloud/all-in-one#how-to-change-the-nextcloud-apps-that-are-installed-on-the-first-startup
      # NEXTCLOUD_ADDITIONAL_APKS: imagemagick # This allows to add additional packages to the Nextcloud container permanently. Default is imagemagick but can be overwritten by modifying this value. See https://github.com/nextcloud/all-in-one#how-to-add-os-packages-permanently-to-the-nextcloud-container
      # NEXTCLOUD_ADDITIONAL_PHP_EXTENSIONS: imagick # This allows to add additional php extensions to the Nextcloud container permanently. Default is imagick but can be overwritten by modifying this value. See https://github.com/nextcloud/all-in-one#how-to-add-php-extensions-permanently-to-the-nextcloud-container
      NEXTCLOUD_ENABLE_DRI_DEVICE: true # This allows to enable the /dev/dri device for containers that profit from it. ⚠️⚠️⚠️ Warning: this only works if the '/dev/dri' device is present on the host! If it should not exist on your host, don't set this to true as otherwise the Nextcloud container will fail to start! See https://github.com/nextcloud/all-in-one#how-to-enable-hardware-acceleration-for-nextcloud
      # NEXTCLOUD_ENABLE_NVIDIA_GPU: true # This allows to enable the NVIDIA runtime and GPU access for containers that profit from it. ⚠️⚠️⚠️ Warning: this only works if an NVIDIA gpu is installed on the server. See https://github.com/nextcloud/all-in-one#how-to-enable-hardware-acceleration-for-nextcloud.
      # NEXTCLOUD_KEEP_DISABLED_APPS: false # Setting this to true will keep Nextcloud apps that are disabled in the AIO interface and not uninstall them if they should be installed. See https://github.com/nextcloud/all-in-one#how-to-keep-disabled-apps
      SKIP_DOMAIN_VALIDATION: true # This should only be set to true if things are correctly configured. See https://github.com/nextcloud/all-in-one#how-to-skip-the-domain-validation
      # TALK_PORT: 3478 # This allows to adjust the port that the talk container is using which is exposed on the host. See https://github.com/nextcloud/all-in-one#how-to-adjust-the-talk-port
      # WATCHTOWER_DOCKER_SOCKET_PATH: /var/run/docker.sock # Needs to be specified if the docker socket on the host is not located in the default '/var/run/docker.sock'. Otherwise mastercontainer updates will fail. For macos it needs to be '/var/run/docker.sock'

  #   # Optional: Caddy reverse proxy. See https://github.com/nextcloud/all-in-one/discussions/575
  #   # Alternatively, use Tailscale if you don't have a domain yet. See https://github.com/nextcloud/all-in-one/discussions/6817
  #   # Hint: You need to uncomment APACHE_PORT: 11000 above, adjust cloud.example.com to your domain and uncomment the necessary docker volumes at the bottom of this file in order to make it work
  #   # You can find further examples here: https://github.com/nextcloud/all-in-one/discussions/588
#   caddy:
#     image: caddy:alpine
#     restart: always
#     container_name: caddy
#     volumes:
#       - caddy_certs:/certs
#       - caddy_config:/config
#       - caddy_data:/data
#       - caddy_sites:/srv
#     # network_mode: "host"
#     networks: ["nextcloud-aio"]
#     configs:
#       - source: Caddyfile
#         target: /etc/caddy/Caddyfile
# configs:
#   Caddyfile:
#     content: |
#       # Adjust cloud.example.com to your domain below
#       https://nextcloud.eroverse.net:443 {
#         reverse_proxy 127.0.0.1:11000
#       }

volumes: # If you want to store the data on a different drive, see https://github.com/nextcloud/all-in-one#how-to-store-the-filesinstallation-on-a-separate-drive
  nextcloud_aio_mastercontainer:
    name: nextcloud_aio_mastercontainer # This line is not allowed to be changed as otherwise the built-in backup solution will not work
# caddy_certs:
# caddy_config:
# caddy_data:
# caddy_sites:

# # Adjust the MTU size of the docker network. See https://github.com/nextcloud/all-in-one#how-to-adjust-the-mtu-size-of-the-docker-network
# networks:
# nextcloud-aio:
# name: nextcloud-aio
#     driver_opts:
#       com.docker.network.driver.mtu: 1440

Hm… You could try to play a bit with the MTU size and check if that improves things: GitHub - nextcloud/all-in-one: 📦 The official Nextcloud installation method. Provides easy deployment and maintenance with most features included in this one Nextcloud instance. · GitHub

Ok, so I did as such, I stopped all containers, deleted the network and set it up with a custom MTU with the following docker-compose

name: nextcloud-aio # Add the container to the same compose project like all the sibling containers are added to automatically.
services:
  nextcloud-aio-mastercontainer:
    image: ghcr.io/nextcloud-releases/all-in-one:latest # This is the container image used. You can switch to ghcr.io/nextcloud-releases/all-in-one:beta if you want to help testing new releases. See https://github.com/nextcloud/all-in-one#how-to-switch-the-channel
    init: true # This setting makes sure that signals from main process inside the container are correctly forwarded to children. See https://docs.docker.com/reference/compose-file/services/#init
    restart: unless-stopped # This makes sure that the container starts always together with the host OS. See https://docs.docker.com/reference/compose-file/services/#restart
    container_name: nextcloud-aio-mastercontainer # This line is not allowed to be changed as otherwise AIO will not work correctly
    volumes:
      - nextcloud_aio_mastercontainer:/mnt/docker-aio-config # This line is not allowed to be changed as otherwise the built-in backup solution will not work
      - /var/run/docker.sock:/var/run/docker.sock:ro # May be changed on macOS, Windows or docker rootless. See the applicable documentation. If adjusting, don't forget to also set 'WATCHTOWER_DOCKER_SOCKET_PATH'!
    # network_mode: bridge # This adds the container to the same network as docker run would do. Comment this line and uncomment the line below and the networks section at the end of the file if you want to define a custom MTU size for the docker network
    networks: ["nextcloud-aio"]
    ports:
      # - 80:80 # Can be removed when running behind a web server or reverse proxy (like Apache, Nginx, Caddy, Cloudflare Tunnel and else). See https://github.com/nextcloud/all-in-one/blob/main/reverse-proxy.md
      - 8081:8080 # This is the AIO interface, served via https and self-signed certificate. See https://github.com/nextcloud/all-in-one#explanation-of-used-ports
    # - 8443:8443 # Can be removed when running behind a web server or reverse proxy (like Apache, Nginx, Caddy, Cloudflare Tunnel and else). See https://github.com/nextcloud/all-in-one/blob/main/reverse-proxy.md
    # security_opt: ["label:disable"] # Is needed when using SELinux. See https://github.com/nextcloud/all-in-one#are-there-known-problems-when-selinux-is-enabled
    environment: # Is needed when using any of the options below
      # AIO_DISABLE_BACKUP_SECTION: false # Setting this to true allows to hide the backup section in the AIO interface. See https://github.com/nextcloud/all-in-one#how-to-disable-the-backup-section
      APACHE_PORT: 12000 # Is needed when running behind a web server or reverse proxy (like Apache, Nginx, Caddy, Cloudflare Tunnel and else). See https://github.com/nextcloud/all-in-one/blob/main/reverse-proxy.md
      APACHE_IP_BINDING: 0.0.0.0 # Should be set when running behind a web server or reverse proxy (like Apache, Nginx, Caddy, Cloudflare Tunnel and else) that is running on the same host. See https://github.com/nextcloud/all-in-one/blob/main/reverse-proxy.md
      # APACHE_ADDITIONAL_NETWORK: frontend_net # (Optional) Connect the apache container to an additional docker network. Needed when behind a web server or reverse proxy (like Apache, Nginx, Caddy, Cloudflare Tunnel and else) running in a different docker network on same server. See https://github.com/nextcloud/all-in-one/blob/main/reverse-proxy.md
      # BORG_RETENTION_POLICY: --keep-within=7d --keep-weekly=4 --keep-monthly=6 # Allows to adjust borgs retention policy. See https://github.com/nextcloud/all-in-one#how-to-adjust-borgs-retention-policy
      # COLLABORA_SECCOMP_DISABLED: false # Setting this to true allows to disable Collabora's Seccomp feature. See https://github.com/nextcloud/all-in-one#how-to-disable-collaboras-seccomp-feature
      # DOCKER_API_VERSION: 1.44 # You can adjust the internally used docker api version with this variable. ⚠️⚠️⚠️ Warning: please note that only the default api version (unset this variable) is supported and tested by the maintainers of Nextcloud AIO. So use this on your own risk and things might break without warning. See https://github.com/nextcloud/all-in-one#how-to-adjust-the-internally-used-docker-api-version
      # FULLTEXTSEARCH_JAVA_OPTIONS: "-Xms1024M -Xmx1024M" # Allows to adjust the fulltextsearch java options. See https://github.com/nextcloud/all-in-one#how-to-adjust-the-fulltextsearch-java-options
      NEXTCLOUD_DATADIR: /mnt/nextcloud/ncdata # Allows to set the host directory for Nextcloud's datadir. ⚠️⚠️⚠️ Warning: do not set or adjust this value after the initial Nextcloud installation is done! See https://github.com/nextcloud/all-in-one#how-to-change-the-default-location-of-nextclouds-datadir
      # NEXTCLOUD_MOUNT: /mnt/ # Allows the Nextcloud container to access the chosen directory on the host. See https://github.com/nextcloud/all-in-one#how-to-allow-the-nextcloud-container-to-access-directories-on-the-host
      # NEXTCLOUD_UPLOAD_LIMIT: 16G # Can be adjusted if you need more. See https://github.com/nextcloud/all-in-one#how-to-adjust-the-upload-limit-for-nextcloud
      # NEXTCLOUD_MAX_TIME: 3600 # Can be adjusted if you need more. See https://github.com/nextcloud/all-in-one#how-to-adjust-the-max-execution-time-for-nextcloud
      # NEXTCLOUD_MEMORY_LIMIT: 512M # Can be adjusted if you need more. See https://github.com/nextcloud/all-in-one#how-to-adjust-the-php-memory-limit-for-nextcloud
      # NEXTCLOUD_TRUSTED_CACERTS_DIR: /path/to/my/cacerts # CA certificates in this directory will be trusted by the OS of the nextcloud container (Useful e.g. for LDAPS) See https://github.com/nextcloud/all-in-one#how-to-trust-user-defined-certification-authorities-ca
      # NEXTCLOUD_STARTUP_APPS: deck twofactor_totp tasks calendar contacts notes # Allows to modify the Nextcloud apps that are installed on starting AIO the first time. See https://github.com/nextcloud/all-in-one#how-to-change-the-nextcloud-apps-that-are-installed-on-the-first-startup
      # NEXTCLOUD_ADDITIONAL_APKS: imagemagick # This allows to add additional packages to the Nextcloud container permanently. Default is imagemagick but can be overwritten by modifying this value. See https://github.com/nextcloud/all-in-one#how-to-add-os-packages-permanently-to-the-nextcloud-container
      # NEXTCLOUD_ADDITIONAL_PHP_EXTENSIONS: imagick # This allows to add additional php extensions to the Nextcloud container permanently. Default is imagick but can be overwritten by modifying this value. See https://github.com/nextcloud/all-in-one#how-to-add-php-extensions-permanently-to-the-nextcloud-container
      NEXTCLOUD_ENABLE_DRI_DEVICE: true # This allows to enable the /dev/dri device for containers that profit from it. ⚠️⚠️⚠️ Warning: this only works if the '/dev/dri' device is present on the host! If it should not exist on your host, don't set this to true as otherwise the Nextcloud container will fail to start! See https://github.com/nextcloud/all-in-one#how-to-enable-hardware-acceleration-for-nextcloud
      # NEXTCLOUD_ENABLE_NVIDIA_GPU: true # This allows to enable the NVIDIA runtime and GPU access for containers that profit from it. ⚠️⚠️⚠️ Warning: this only works if an NVIDIA gpu is installed on the server. See https://github.com/nextcloud/all-in-one#how-to-enable-hardware-acceleration-for-nextcloud.
      # NEXTCLOUD_KEEP_DISABLED_APPS: false # Setting this to true will keep Nextcloud apps that are disabled in the AIO interface and not uninstall them if they should be installed. See https://github.com/nextcloud/all-in-one#how-to-keep-disabled-apps
      SKIP_DOMAIN_VALIDATION: true # This should only be set to true if things are correctly configured. See https://github.com/nextcloud/all-in-one#how-to-skip-the-domain-validation
      # TALK_PORT: 3478 # This allows to adjust the port that the talk container is using which is exposed on the host. See https://github.com/nextcloud/all-in-one#how-to-adjust-the-talk-port
      # WATCHTOWER_DOCKER_SOCKET_PATH: /var/run/docker.sock # Needs to be specified if the docker socket on the host is not located in the default '/var/run/docker.sock'. Otherwise mastercontainer updates will fail. For macos it needs to be '/var/run/docker.sock'

  #   # Optional: Caddy reverse proxy. See https://github.com/nextcloud/all-in-one/discussions/575
  #   # Alternatively, use Tailscale if you don't have a domain yet. See https://github.com/nextcloud/all-in-one/discussions/6817
  #   # Hint: You need to uncomment APACHE_PORT: 11000 above, adjust cloud.example.com to your domain and uncomment the necessary docker volumes at the bottom of this file in order to make it work
  #   # You can find further examples here: https://github.com/nextcloud/all-in-one/discussions/588
#   caddy:
#     image: caddy:alpine
#     restart: always
#     container_name: caddy
#     volumes:
#       - caddy_certs:/certs
#       - caddy_config:/config
#       - caddy_data:/data
#       - caddy_sites:/srv
#     # network_mode: "host"
#     networks: ["nextcloud-aio"]
#     configs:
#       - source: Caddyfile
#         target: /etc/caddy/Caddyfile
# configs:
#   Caddyfile:
#     content: |
#       # Adjust cloud.example.com to your domain below
#       https://nextcloud.eroverse.net:443 {
#         reverse_proxy 127.0.0.1:11000
#       }

volumes: # If you want to store the data on a different drive, see https://github.com/nextcloud/all-in-one#how-to-store-the-filesinstallation-on-a-separate-drive
  nextcloud_aio_mastercontainer:
    name: nextcloud_aio_mastercontainer # This line is not allowed to be changed as otherwise the built-in backup solution will not work
# caddy_certs:
# caddy_config:
# caddy_data:
# caddy_sites:

# Adjust the MTU size of the docker network. See https://github.com/nextcloud/all-in-one#how-to-adjust-the-mtu-size-of-the-docker-network
networks:
    nextcloud-aio:
        name: nextcloud-aio
        driver_opts:
            com.docker.network.driver.mtu: 1440

it didn’t do much, same behavior, it gets stuck starting containers, there’s no logs detailing why either, it gets stuck here:

if I refresh, it’s always failing at the last few containers

The Master Container’s logs don’t give much help, they look like this:

2026-04-03T01:17:45.824770262Z Trying to fix docker.sock permissions internally...
2026-04-03T01:17:45.839257513Z Creating docker group internally with id 972
2026-04-03T01:17:48.264370746Z e[0;92mInitial startup of Nextcloud All-in-One complete!
2026-04-03T01:17:48.264437501Z You should be able to open the Nextcloud AIO Interface now on port 8080 of this server!
2026-04-03T01:17:48.264446287Z E.g. https://internal.ip.of.this.server:8080
2026-04-03T01:17:48.264454122Z ⚠️ Important: do always use an ip-address if you access this port and not a domain as HSTS might block access to it later!
2026-04-03T01:17:48.264462237Z
2026-04-03T01:17:48.264468359Z If your server has port 80 and 8443 open and you point a domain to your server, you can get a valid certificate automatically by opening the Nextcloud AIO Interface via:
2026-04-03T01:17:48.264473919Z https://your-domain-that-points-to-this-server.tld:8443e[0m
2026-04-03T01:17:51.192101305Z [03-Apr-2026 01:17:51] NOTICE: fpm is running, pid 183
2026-04-03T01:17:51.192155837Z [03-Apr-2026 01:17:51] NOTICE: ready to handle connections
2026-04-03T01:17:51.547236587Z [Fri Apr 03 01:17:51.546479 2026] [mpm_event:notice] [pid 177:tid 177] AH00489: Apache/2.4.66 (Unix) OpenSSL/3.5.5 configured -- resuming normal operations
2026-04-03T01:17:51.547319023Z [Fri Apr 03 01:17:51.546528 2026] [core:notice] [pid 177:tid 177] AH00094: Command line: 'httpd -D FOREGROUND'


similarly, the logs for the other containers that are running look normal, some of them are waiting for the nextcloud and apache servers and that’s the only thing they complain about, any idea where there may be logs for this issue?

That said, I found this in docker’s journalctl:

Apr 03 00:47:44 fedora dockerd[1198]: time="2026-04-03T00:47:44.846895149+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:43747" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:43747->127.0.0.53:53: i/o timeout" question=";nextcloud-aio-nextcloud.\tIN\t AAAA"
Apr 03 00:48:18 fedora dockerd[1198]: time="2026-04-03T00:48:18.895924146+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:36374" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:36374->127.0.0.53:53: i/o timeout" question=";nextcloud-aio-nextcloud.\tIN\t A"
Apr 03 00:48:18 fedora dockerd[1198]: time="2026-04-03T00:48:18.896211147+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:47601" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:47601->127.0.0.53:53: i/o timeout" question=";nextcloud-aio-nextcloud.\tIN\t AAAA"
Apr 03 01:06:34 fedora dockerd[1198]: time="2026-04-03T01:06:34.921237380+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:37512" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:37512->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:06:37 fedora dockerd[1198]: time="2026-04-03T01:06:37.423086721+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:52896" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:52896->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:06:38 fedora dockerd[1198]: time="2026-04-03T01:06:38.922123596+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:46403" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:46403->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:06:48 fedora dockerd[1198]: time="2026-04-03T01:06:48.921556821+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:38789" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:38789->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:06:51 fedora dockerd[1198]: time="2026-04-03T01:06:51.424337557+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:44562" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:44562->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:06:52 fedora dockerd[1198]: time="2026-04-03T01:06:52.922771154+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:36623" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:36623->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:06:53 fedora dockerd[1198]: time="2026-04-03T01:06:53.950166886+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:34310" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:34310->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:06:56 fedora dockerd[1198]: time="2026-04-03T01:06:56.452100627+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:46210" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:46210->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:06:57 fedora dockerd[1198]: time="2026-04-03T01:06:57.951673779+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:33271" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:33271->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:04 fedora dockerd[1198]: time="2026-04-03T01:07:04.140756752+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:52285" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:52285->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:06 fedora dockerd[1198]: time="2026-04-03T01:07:06.643253044+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:55250" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:55250->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:08 fedora dockerd[1198]: time="2026-04-03T01:07:08.141984322+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:39885" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:39885->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:24 fedora dockerd[1198]: time="2026-04-03T01:07:24.480717925+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:43033" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:43033->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:26 fedora dockerd[1198]: time="2026-04-03T01:07:26.982670864+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:40958" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:40958->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:28 fedora dockerd[1198]: time="2026-04-03T01:07:28.481856767+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:59003" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:59003->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:42 fedora dockerd[1198]: time="2026-04-03T01:07:42.507104744+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:42774" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:42774->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:45 fedora dockerd[1198]: time="2026-04-03T01:07:45.008524607+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:38988" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:38988->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:45 fedora dockerd[1198]: time="2026-04-03T01:07:45.533109394+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:59590" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:59590->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:46 fedora dockerd[1198]: time="2026-04-03T01:07:46.508237703+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:57970" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:57970->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:47 fedora dockerd[1198]: time="2026-04-03T01:07:47.991613473+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:58461" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:58461->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:48 fedora dockerd[1198]: time="2026-04-03T01:07:48.034925854+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:36088" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:36088->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:49 fedora dockerd[1198]: time="2026-04-03T01:07:49.232549833+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:43167" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:43167->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:49 fedora dockerd[1198]: time="2026-04-03T01:07:49.534404367+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:56665" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:56665->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:50 fedora dockerd[1198]: time="2026-04-03T01:07:50.494908855+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:58294" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:58294->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:51 fedora dockerd[1198]: time="2026-04-03T01:07:51.734860212+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:35530" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:35530->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:51 fedora dockerd[1198]: time="2026-04-03T01:07:51.992524231+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:49098" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:49098->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:53 fedora dockerd[1198]: time="2026-04-03T01:07:53.233740139+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:37837" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:37837->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:54 fedora dockerd[1198]: time="2026-04-03T01:07:54.766834630+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:46569" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:46569->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:55 fedora dockerd[1198]: time="2026-04-03T01:07:55.304910435+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:52663" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:52663->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:57 fedora dockerd[1198]: time="2026-04-03T01:07:57.092443173+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:36699" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:36699->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:57 fedora dockerd[1198]: time="2026-04-03T01:07:57.269957700+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:52784" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:52784->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:57 fedora dockerd[1198]: time="2026-04-03T01:07:57.807216977+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:42106" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:42106->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:58 fedora dockerd[1198]: time="2026-04-03T01:07:58.768463613+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:52716" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:52716->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:59 fedora dockerd[1198]: time="2026-04-03T01:07:59.305725186+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:42397" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:42397->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:59 fedora dockerd[1198]: time="2026-04-03T01:07:59.594686559+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:49160" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:49160->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:07:59 fedora dockerd[1198]: time="2026-04-03T01:07:59.777691191+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:43825" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:43825->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:08:01 fedora dockerd[1198]: time="2026-04-03T01:08:01.092903638+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:51034" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:51034->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:08:02 fedora dockerd[1198]: time="2026-04-03T01:08:02.280006130+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:49143" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:49143->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:08:03 fedora dockerd[1198]: time="2026-04-03T01:08:03.779459588+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:55658" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:55658->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:08:09 fedora dockerd[1198]: time="2026-04-03T01:08:09.843736554+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:40742" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:40742->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:08:12 fedora dockerd[1198]: time="2026-04-03T01:08:12.346285032+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:44752" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:44752->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:08:13 fedora dockerd[1198]: time="2026-04-03T01:08:13.845661394+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:35427" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:35427->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 01:59:44 fedora dockerd[1198]: time="2026-04-03T01:59:44.355285981+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:44514" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:44514->127.0.0.53:53: i/o timeout" question=";nextcloud-aio-nextcloud.\tIN\t A"
Apr 03 02:12:52 fedora dockerd[1198]: time="2026-04-03T02:12:52.866026218+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:33298" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:33298->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:12:53 fedora dockerd[1198]: time="2026-04-03T02:12:53.879297525+01:00" level=info msg="stopping restart-manager" container=662b67977ed114352ac534d97dcb33d0c3cd2842d3947fe24d47a16b048f258e
Apr 03 02:12:54 fedora dockerd[1198]: time="2026-04-03T02:12:54.585996519+01:00" level=info msg="received task-delete event from containerd" container=662b67977ed114352ac534d97dcb33d0c3cd2842d3947fe24d47a16b048f258e module=libcontainerd namespace=moby topic=/tasks/delete type="*events.TaskDelete"
Apr 03 02:12:55 fedora dockerd[1198]: time="2026-04-03T02:12:55.369137502+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:54641" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:54641->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:12:56 fedora dockerd[1198]: time="2026-04-03T02:12:56.866964669+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.122.181:45804" dns-server="udp:192.168.122.1:53" error="read udp 192.168.122.181:45804->192.168.122.1:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:12:58 fedora dockerd[1198]: time="2026-04-03T02:12:58.683775862+01:00" level=info msg="stopping restart-manager" container=aa1ba5ae6fb95757726049e833e08e0e77e3c7a08c6cc571f7d19fed7ec00d76
Apr 03 02:13:03 fedora dockerd[1198]: time="2026-04-03T02:13:03.853410059+01:00" level=info msg="received task-delete event from containerd" container=aa1ba5ae6fb95757726049e833e08e0e77e3c7a08c6cc571f7d19fed7ec00d76 module=libcontainerd namespace=moby topic=/tasks/delete type="*events.TaskDelete"
Apr 03 02:13:07 fedora dockerd[1198]: time="2026-04-03T02:13:07.483098883+01:00" level=info msg="stopping restart-manager" container=aff416b069f4eea9345628566ec0127960e3217f65c8e3d923b05a520861fb59
Apr 03 02:13:07 fedora dockerd[1198]: time="2026-04-03T02:13:07.732083193+01:00" level=info msg="received task-delete event from containerd" container=aff416b069f4eea9345628566ec0127960e3217f65c8e3d923b05a520861fb59 module=libcontainerd namespace=moby topic=/tasks/delete type="*events.TaskDelete"
Apr 03 02:13:09 fedora dockerd[1198]: time="2026-04-03T02:13:09.686663594+01:00" level=info msg="stopping restart-manager" container=8aba94f76c38f7a8db9cd9110d26eeb8777cc2f3286cc7895fee26b0fb1ae493
Apr 03 02:13:09 fedora dockerd[1198]: time="2026-04-03T02:13:09.934392151+01:00" level=info msg="received task-delete event from containerd" container=8aba94f76c38f7a8db9cd9110d26eeb8777cc2f3286cc7895fee26b0fb1ae493 module=libcontainerd namespace=moby topic=/tasks/delete type="*events.TaskDelete"
Apr 03 02:13:11 fedora dockerd[1198]: time="2026-04-03T02:13:11.892226184+01:00" level=info msg="stopping restart-manager" container=444c840dfcd8cf00cca320549378d0581638673d4190059f2e15f3adc7b15c8d
Apr 03 02:13:13 fedora dockerd[1198]: time="2026-04-03T02:13:13.010755842+01:00" level=info msg="received task-delete event from containerd" container=444c840dfcd8cf00cca320549378d0581638673d4190059f2e15f3adc7b15c8d module=libcontainerd namespace=moby topic=/tasks/delete type="*events.TaskDelete"
Apr 03 02:13:14 fedora dockerd[1198]: time="2026-04-03T02:13:14.848630541+01:00" level=info msg="stopping restart-manager" container=fdb27d27ebde3ec0bda2902a755e59cb8d5eed6f8fab99d32d59fbc5b50218cf
Apr 03 02:13:15 fedora dockerd[1198]: time="2026-04-03T02:13:15.375079180+01:00" level=info msg="received task-delete event from containerd" container=fdb27d27ebde3ec0bda2902a755e59cb8d5eed6f8fab99d32d59fbc5b50218cf module=libcontainerd namespace=moby topic=/tasks/delete type="*events.TaskDelete"
Apr 03 02:13:29 fedora dockerd[1198]: time="2026-04-03T02:13:29.193684070+01:00" level=info msg="stopping restart-manager" container=d2f5215a382e3c834ae2413a73390cd9e7ac608fe01d337258b0a7264ceea643
Apr 03 02:13:35 fedora dockerd[1198]: time="2026-04-03T02:13:35.890910089+01:00" level=info msg="received task-delete event from containerd" container=d2f5215a382e3c834ae2413a73390cd9e7ac608fe01d337258b0a7264ceea643 module=libcontainerd namespace=moby topic=/tasks/delete type="*events.TaskDelete"
Apr 03 02:13:39 fedora dockerd[1198]: time="2026-04-03T02:13:39.877364242+01:00" level=info msg="Container failed to exit within 10s of signal 3 - using the force" container=d2f5215a382e3c834ae2413a73390cd9e7ac608fe01d337258b0a7264ceea643
Apr 03 02:16:52 fedora dockerd[1198]: time="2026-04-03T02:16:52.664871943+01:00" level=info msg="sbJoin: gwep4 ''->'d954057baa28', gwep6 ''->''" eid=d954057baa28 ep=nextcloud-aio-mastercontainer net=bridge nid=b5a05661b6d4 spanID=919a1cdfe7c98173 traceID=19ee0d81bb9bb1527f413303879b58b7
Apr 03 02:16:53 fedora dockerd[1198]: time="2026-04-03T02:16:53.235534580+01:00" level=info msg="received task-delete event from containerd" container=d2f5215a382e3c834ae2413a73390cd9e7ac608fe01d337258b0a7264ceea643 module=libcontainerd namespace=moby topic=/tasks/delete type="*events.TaskDelete"
Apr 03 02:16:53 fedora dockerd[1198]: time="2026-04-03T02:16:53.921100447+01:00" level=error msg="d2f5215a382e3c834ae2413a73390cd9e7ac608fe01d337258b0a7264ceea643 cleanup: failed to delete container from containerd: NotFound: container \"d2f5215a382e3c834ae2413a73390cd9e7ac608fe01d337258b0a7264ceea643\" in namespace \"moby\": not found" spanID=919a1cdfe7c98173 traceID=19ee0d81bb9bb1527f413303879b58b7
Apr 03 02:17:45 fedora dockerd[1198]: time="2026-04-03T02:17:45.018910138+01:00" level=info msg="sbJoin: gwep4 ''->'a67bd1e92587', gwep6 ''->''" eid=a67bd1e92587 ep=nextcloud-aio-mastercontainer net=nextcloud-aio nid=10d783236b13 spanID=026c417183e80cfb traceID=c54fa32fa1228c3a84f6d3cf1715c86e
Apr 03 02:18:02 fedora dockerd[1198]: time="2026-04-03T02:18:02.303144242+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:48291" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:48291->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:04 fedora dockerd[1198]: time="2026-04-03T02:18:04.804667015+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:54706" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:54706->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:06 fedora dockerd[1198]: time="2026-04-03T02:18:06.305144509+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:43923" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:43923->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:15 fedora dockerd[1198]: time="2026-04-03T02:18:15.594102502+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:37439" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:37439->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:18 fedora dockerd[1198]: time="2026-04-03T02:18:18.096879817+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:52869" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:52869->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:19 fedora dockerd[1198]: time="2026-04-03T02:18:19.595399938+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:52832" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:52832->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:20 fedora dockerd[1198]: time="2026-04-03T02:18:20.889371153+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:56590" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:56590->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:20 fedora dockerd[1198]: time="2026-04-03T02:18:20.890133217+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:58776" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:58776->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:20 fedora dockerd[1198]: time="2026-04-03T02:18:20.890168293+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:55694" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:55694->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:20 fedora dockerd[1198]: time="2026-04-03T02:18:20.890349905+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:59970" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:59970->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:20 fedora dockerd[1198]: time="2026-04-03T02:18:20.890367498+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:41086" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:41086->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:23 fedora dockerd[1198]: time="2026-04-03T02:18:23.391861829+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:38230" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:38230->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:23 fedora dockerd[1198]: time="2026-04-03T02:18:23.391872399+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:55748" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:55748->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:23 fedora dockerd[1198]: time="2026-04-03T02:18:23.393071896+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:52684" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:52684->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:23 fedora dockerd[1198]: time="2026-04-03T02:18:23.393092775+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:38182" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:38182->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:23 fedora dockerd[1198]: time="2026-04-03T02:18:23.393107293+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:33577" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:33577->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:24 fedora dockerd[1198]: time="2026-04-03T02:18:24.890908811+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:59553" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:59553->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:24 fedora dockerd[1198]: time="2026-04-03T02:18:24.890922958+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:53114" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:53114->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:24 fedora dockerd[1198]: time="2026-04-03T02:18:24.890939980+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:44579" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:44579->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:24 fedora dockerd[1198]: time="2026-04-03T02:18:24.890948215+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:57791" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:57791->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:24 fedora dockerd[1198]: time="2026-04-03T02:18:24.890956390+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:42182" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:42182->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:32 fedora dockerd[1198]: time="2026-04-03T02:18:32.532366987+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:56313" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:56313->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:35 fedora dockerd[1198]: time="2026-04-03T02:18:35.034134822+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:36214" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:36214->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:36 fedora dockerd[1198]: time="2026-04-03T02:18:36.533999202+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:44379" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:44379->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:18:47 fedora dockerd[1198]: time="2026-04-03T02:18:47.799513664+01:00" level=info msg="image pulled" digest="sha256:4a1efd1ac4343dff81d9fe5d551765780b3aee4519617324ef72710e2bdc96da" remote="ghcr.io/nextcloud-releases/aio-collabora:latest"
Apr 03 02:18:48 fedora dockerd[1198]: time="2026-04-03T02:18:48.257522171+01:00" level=warning msg="Security options with `:` as a separator are deprecated and will be completely unsupported in 17.04, use `=` instead."
Apr 03 02:18:58 fedora dockerd[1198]: time="2026-04-03T02:18:58.962026145+01:00" level=info msg="sbJoin: gwep4 ''->'e22a193aecb6', gwep6 ''->''" eid=e22a193aecb6 ep=nextcloud-aio-collabora net=nextcloud-aio nid=10d783236b13
Apr 03 02:19:12 fedora dockerd[1198]: time="2026-04-03T02:19:12.846268996+01:00" level=info msg="image pulled" digest="sha256:4e4a8f3beb4a05bd0f8212d2db875f82cd45a08f387c7559cdbf11fb88599f5c" remote="ghcr.io/nextcloud-releases/aio-talk:latest"
Apr 03 02:19:13 fedora dockerd[1198]: time="2026-04-03T02:19:13.072333288+01:00" level=warning msg="Security options with `:` as a separator are deprecated and will be completely unsupported in 17.04, use `=` instead."
Apr 03 02:19:20 fedora dockerd[1198]: time="2026-04-03T02:19:20.268839185+01:00" level=info msg="sbJoin: gwep4 ''->'1a08a0579a57', gwep6 ''->''" eid=1a08a0579a57 ep=nextcloud-aio-talk net=nextcloud-aio nid=10d783236b13
Apr 03 02:19:31 fedora dockerd[1198]: time="2026-04-03T02:19:31.642487426+01:00" level=info msg="image pulled" digest="sha256:6589926f0f7c176708cdbaaca002ef811f8eda96e57d9e0f9ad72f1cf2396f20" remote="ghcr.io/nextcloud-releases/aio-notify-push:latest"
Apr 03 02:19:31 fedora dockerd[1198]: time="2026-04-03T02:19:31.839690509+01:00" level=warning msg="Security options with `:` as a separator are deprecated and will be completely unsupported in 17.04, use `=` instead."
Apr 03 02:19:37 fedora dockerd[1198]: time="2026-04-03T02:19:37.495971582+01:00" level=info msg="sbJoin: gwep4 ''->'2ab90fd20df9', gwep6 ''->''" eid=2ab90fd20df9 ep=nextcloud-aio-notify-push net=nextcloud-aio nid=10d783236b13
Apr 03 02:19:49 fedora dockerd[1198]: time="2026-04-03T02:19:49.094624575+01:00" level=info msg="image pulled" digest="sha256:f916c9dc21fa246c0b7cd7e27774dc958c7b17d25e79b835d0e52af3df82daca" remote="ghcr.io/nextcloud-releases/aio-whiteboard:latest"
Apr 03 02:19:49 fedora dockerd[1198]: time="2026-04-03T02:19:49.346140158+01:00" level=warning msg="Security options with `:` as a separator are deprecated and will be completely unsupported in 17.04, use `=` instead."
Apr 03 02:19:56 fedora dockerd[1198]: time="2026-04-03T02:19:56.756075472+01:00" level=info msg="sbJoin: gwep4 ''->'181eaeb7c30e', gwep6 ''->''" eid=181eaeb7c30e ep=nextcloud-aio-whiteboard net=nextcloud-aio nid=10d783236b13
Apr 03 02:20:11 fedora dockerd[1198]: time="2026-04-03T02:20:11.270251556+01:00" level=info msg="image pulled" digest="sha256:ca0c4e828b9ad9d70e352977fb84ca6ddb023f58076a98d6ba7a7ccab1c8869b" remote="ghcr.io/nextcloud-releases/aio-postgresql:latest"
Apr 03 02:20:11 fedora dockerd[1198]: time="2026-04-03T02:20:11.496484364+01:00" level=warning msg="Security options with `:` as a separator are deprecated and will be completely unsupported in 17.04, use `=` instead."
Apr 03 02:20:16 fedora dockerd[1198]: time="2026-04-03T02:20:16.559609164+01:00" level=info msg="sbJoin: gwep4 ''->'b76ee10ba0a4', gwep6 ''->''" eid=b76ee10ba0a4 ep=nextcloud-aio-database net=nextcloud-aio nid=10d783236b13
Apr 03 02:20:32 fedora dockerd[1198]: time="2026-04-03T02:20:32.171226474+01:00" level=info msg="image pulled" digest="sha256:c4d4d82921d936b990f9076b13eb7534e43eb9b5060eb6cc095350a9c69b3d52" remote="ghcr.io/nextcloud-releases/aio-redis:latest"
Apr 03 02:20:32 fedora dockerd[1198]: time="2026-04-03T02:20:32.546304272+01:00" level=warning msg="Security options with `:` as a separator are deprecated and will be completely unsupported in 17.04, use `=` instead."
Apr 03 02:20:40 fedora dockerd[1198]: time="2026-04-03T02:20:40.299315191+01:00" level=info msg="sbJoin: gwep4 ''->'1fa9072e6bee', gwep6 ''->''" eid=1fa9072e6bee ep=nextcloud-aio-redis net=nextcloud-aio nid=10d783236b13
Apr 03 02:25:14 fedora dockerd[1198]: time="2026-04-03T02:25:14.481689648+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:56444" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:56444->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:25:16 fedora dockerd[1198]: time="2026-04-03T02:25:16.985092794+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:54091" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:54091->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:25:18 fedora dockerd[1198]: time="2026-04-03T02:25:18.482878366+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:44852" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:44852->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:25:55 fedora dockerd[1198]: time="2026-04-03T02:25:55.728778894+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:38105" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:38105->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:25:58 fedora dockerd[1198]: time="2026-04-03T02:25:58.230939509+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:55343" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:55343->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:25:59 fedora dockerd[1198]: time="2026-04-03T02:25:59.729779727+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:60351" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:60351->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:26:09 fedora dockerd[1198]: time="2026-04-03T02:26:09.970503299+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:38986" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:38986->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:26:12 fedora dockerd[1198]: time="2026-04-03T02:26:12.472854403+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:35229" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:35229->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:26:13 fedora dockerd[1198]: time="2026-04-03T02:26:13.142780931+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:44676" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:44676->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:26:13 fedora dockerd[1198]: time="2026-04-03T02:26:13.971509933+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:36604" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:36604->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:26:15 fedora dockerd[1198]: time="2026-04-03T02:26:15.646196830+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:41531" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:41531->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:26:17 fedora dockerd[1198]: time="2026-04-03T02:26:17.144482163+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:52875" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:52875->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:26:48 fedora dockerd[1198]: time="2026-04-03T02:26:48.198101041+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:40339" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:40339->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:26:50 fedora dockerd[1198]: time="2026-04-03T02:26:50.701383589+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:44366" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:44366->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:26:52 fedora dockerd[1198]: time="2026-04-03T02:26:52.198695069+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:42652" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:42652->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:27:03 fedora dockerd[1198]: time="2026-04-03T02:27:03.268715943+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:51099" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:51099->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:27:05 fedora dockerd[1198]: time="2026-04-03T02:27:05.770951870+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:33886" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:33886->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"
Apr 03 02:27:07 fedora dockerd[1198]: time="2026-04-03T02:27:07.269241592+01:00" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:127.0.0.1:58954" dns-server="udp:127.0.0.53:53" error="read udp 127.0.0.1:58954->127.0.0.53:53: i/o timeout" question=";181.122.168.192.in-addr.arpa.\tIN\t PTR"

Who owns the 192.168.122.0/24-Network?

Is it owned by VM-Host and a Virtual Network (NAT)? If so you shall not use such a network, but use Bridge Device or a Mactap Device instead.
Hint: Bridge Device, Mactap Device and Virtual Network are the options in KVM/QEMU and its Virtual Machine Manager. There are similar options in VirtualBox and VMWare, but they may have diffrent namens..

I ask for this, because KVM/QEMU’s automaticaly created virbr0 uses usually a 192.168.122.0/24-Network for its Virtual Network’s.

I would say using such a Virtual Network is not recommended for what you intend to do (hostiing an NC-Server) because to access a Server in such a Virtual Network need one more NATing in your local network to access the NC-Server from other networks.

It seems, that your DNS server cannot resolve the reverse-DNS (PTR).

I was indeed using the default NAT network adapter that comes with qemu/kvm, I have switched to a macvtap adapter and rolled back my docker-compose to how it was without MTU modification.

Docker stopped complaining about DNS resolution issues in journalctl, but Nextcloud is still unable to start all the containers, I’m not sure where to look next.

Master Container’s logs still offer nothing usable to debug this, and now docker’s own logs are pretty quiet without the resolution issues.

After some system package updates on both host and guest, things lit up as expected, I’m still concerned I’m not able to find out what the original problem was…

I’ll keep monitoring, maybe they’ll fail when I want to update them, or change some settings that requires restarting the containers? at least they all started this time, fingers crossed it was just some rotten old packages :grimacing:

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Congratulations on your success