Oct 12 05:45:44 prd-ubuntu1804-builder-4c-4g-820 passwd[976]: password for 'ubuntu' changed by 'root'
Oct 12 05:45:44 prd-ubuntu1804-builder-4c-4g-820 systemd-logind[1059]: Watching system buttons on /dev/input/event0 (Power Button)
Oct 12 05:45:44 prd-ubuntu1804-builder-4c-4g-820 systemd-logind[1059]: Watching system buttons on /dev/input/event1 (AT Translated Set 2 keyboard)
Oct 12 05:45:44 prd-ubuntu1804-builder-4c-4g-820 systemd-logind[1059]: New seat seat0.
Oct 12 05:45:44 prd-ubuntu1804-builder-4c-4g-820 sshd[1184]: Server listening on 0.0.0.0 port 22.
Oct 12 05:45:44 prd-ubuntu1804-builder-4c-4g-820 sshd[1184]: Server listening on :: port 22.
Oct 12 05:45:50 prd-ubuntu1804-builder-4c-4g-820 sshd[1531]: Did not receive identification string from 10.30.104.4 port 49198
Oct 12 05:45:51 prd-ubuntu1804-builder-4c-4g-820 sshd[1537]: Invalid user jenkins from 10.30.104.4 port 49200
Oct 12 05:45:51 prd-ubuntu1804-builder-4c-4g-820 sshd[1537]: Received disconnect from 10.30.104.4 port 49200:11: Closed due to user request. [preauth]
Oct 12 05:45:51 prd-ubuntu1804-builder-4c-4g-820 sshd[1537]: Disconnected from invalid user jenkins 10.30.104.4 port 49200 [preauth]
Oct 12 05:45:51 prd-ubuntu1804-builder-4c-4g-820 useradd[1555]: new group: name=jenkins, GID=1001
Oct 12 05:45:51 prd-ubuntu1804-builder-4c-4g-820 useradd[1555]: new user: name=jenkins, UID=1001, GID=1001, home=/home/jenkins, shell=/bin/bash
Oct 12 05:45:53 prd-ubuntu1804-builder-4c-4g-820 sshd[1623]: Accepted publickey for jenkins from 10.30.104.4 port 49202 ssh2: RSA SHA256:V0799BjlU//1ruj1g81rY7MeNIJkwAJ0Kr3lNX3XaN4
Oct 12 05:45:53 prd-ubuntu1804-builder-4c-4g-820 sshd[1623]: pam_unix(sshd:session): session opened for user jenkins by (uid=0)
Oct 12 05:45:53 prd-ubuntu1804-builder-4c-4g-820 systemd-logind[1059]: New session 1 of user jenkins.
Oct 12 05:45:53 prd-ubuntu1804-builder-4c-4g-820 systemd: pam_unix(systemd-user:session): session opened for user jenkins by (uid=0)
Oct 12 05:46:01 prd-ubuntu1804-builder-4c-4g-820 CRON[1850]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 12 05:46:01 prd-ubuntu1804-builder-4c-4g-820 CRON[1850]: pam_unix(cron:session): session closed for user root
Oct 12 05:47:02 prd-ubuntu1804-builder-4c-4g-820 CRON[2949]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 12 05:47:02 prd-ubuntu1804-builder-4c-4g-820 CRON[2949]: pam_unix(cron:session): session closed for user root
Oct 12 05:47:55 prd-ubuntu1804-builder-4c-4g-820 sudo:  jenkins : TTY=unknown ; PWD=/w/workspace/oom-master-pre-commit-lint ; USER=root ; COMMAND=/bin/cp /var/log/auth.log /tmp
Oct 12 05:47:55 prd-ubuntu1804-builder-4c-4g-820 sudo: pam_unix(sudo:session): session opened for user root by (uid=0)