Should I be worried? Access.log findings

I read access.log and saw strange lines. Some of the urls opens a lots of information without pw.

34.224.156.20 - - [17/Jul/2018:04:22:14 +0000] "GET /index.php/js/cor
e/merged-login.js?v=4c4d239a-2 HTTP/2.0" 200 2276 "-" "Mozilla/5.0 (X
11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChro
me/69.0.3495.0 Safari/537.36"
34.224.156.20 - - [17/Jul/2018:04:22:14 +0000] "GET /index.php/apps/t
heming/js/theming?v=2 HTTP/2.0" 200 232 "-" "Mozilla/5.0 (X11; Linux
x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/69.0.34
95.0 Safari/537.36"
54.89.142.126 - - [17/Jul/2018:04:22:20 +0000] "GET / HTTP/2.0" 302 0
 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like
 Gecko) HeadlessChrome/69.0.3495.0 Safari/537.36"
54.89.142.126 - - [17/Jul/2018:04:22:20 +0000] "GET /index.php/login
HTTP/2.0" 200 2089 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/5
37.36 (KHTML, like Gecko) HeadlessChrome/69.0.3495.0 Safari/537.36"
54.89.142.126 - - [17/Jul/2018:04:22:21 +0000] "GET /index.php/apps/t
heming/styles?v=2 HTTP/2.0" 200 312 "-" "Mozilla/5.0 (X11; Linux x86_
64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/69.0.3495.0
 Safari/537.36"
54.89.142.126 - - [17/Jul/2018:04:22:21 +0000] "GET /index.php/core/j
s/oc.js?v=4c4d239a HTTP/2.0" 200 3585 "-" "Mozilla/5.0 (X11; Linux x8
6_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/69.0.3495
.0 Safari/537.36"
54.89.142.126 - - [17/Jul/2018:04:22:21 +0000] "GET /index.php/js/cor
e/merged-template-prepend.js?v=4c4d239a-2 HTTP/2.0" 200 40626 "-" "Mo
zilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko)
HeadlessChrome/69.0.3495.0 Safari/537.36"
54.89.142.126 - - [17/Jul/2018:04:22:21 +0000] "GET /index.php/js/cor
e/merged-share-backend.js?v=4c4d239a-2 HTTP/2.0" 200 22728 "-" "Mozil
la/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Hea
dlessChrome/69.0.3495.0 Safari/537.36"
54.89.142.126 - - [17/Jul/2018:04:22:21 +0000] "GET /index.php/js/cor
e/merged-login.js?v=4c4d239a-2 HTTP/2.0" 200 2276 "-" "Mozilla/5.0 (X
11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChro
me/69.0.3495.0 Safari/537.36"
54.89.142.126 - - [17/Jul/2018:04:22:22 +0000] "GET /index.php/apps/t
heming/js/theming?v=2 HTTP/2.0" 200 232 "-" "Mozilla/5.0 (X11; Linux
x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/69.0.34
95.0 Safari/537.36"
52.71.109.181 - - [17/Jul/2018:04:22:45 +0000] "GET / HTTP/2.0" 400 4
130 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, l
ike Gecko) HeadlessChrome/69.0.3495.0 Safari/537.36"
52.71.109.181 - - [17/Jul/2018:04:22:45 +0000] "GET /index.php/core/j
s/oc.js?v=4c4d239a HTTP/2.0" 400 4130 "-" "Mozilla/5.0 (X11; Linux x8
6_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/69.0.3495
.0 Safari/537.36"
52.71.109.181 - - [17/Jul/2018:04:22:45 +0000] "GET /index.php/js/cor
e/merged-template-prepend.js?v=4c4d239a-2 HTTP/2.0" 400 0 "-" "Mozill
a/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Head
lessChrome/69.0.3495.0 Safari/537.36"

Information looks like this.
* Copyright © 2015
*
* This file is licensed under the Affero General Public License version 3
* or later.
*
* See the COPYING-README file.
*
*/

/* global moment, oc_appconfig, oc_config */

(function() {
	if (!OC.Share) {
		OC.Share = {};
		OC.Share.Types = {};
	}

	// FIXME: the config model should populate its own model attributes based on
	// the old DOM-based config
	var ShareConfigModel = OC.Backbone.Model.extend({
		defaults: {
			publicUploadEnabled: false,

Should I be worried?