Syslog not work on centos 7

Hello,

I’ve:

nextcloud 13
php7.1
Server version: Apache/2.4.6 (CentOS)
centos 7

In my config have this:

‘log_type’ => ‘syslog’,
‘syslog_tag’ => ‘Nextcloud’,
‘loglevel’ => 2,

but not see anything, when run dmesg -w or journalctl -f, i try force login errors with invalid password but not see nothing, can somebody help me?

thank you