Jan 27 15:26:23 prd-ubuntu1804-builder-4c-4g-3445 passwd[942]: password for 'ubuntu' changed by 'root'
Jan 27 15:26:23 prd-ubuntu1804-builder-4c-4g-3445 systemd-logind[995]: Watching system buttons on /dev/input/event0 (Power Button)
Jan 27 15:26:23 prd-ubuntu1804-builder-4c-4g-3445 systemd-logind[995]: Watching system buttons on /dev/input/event1 (AT Translated Set 2 keyboard)
Jan 27 15:26:23 prd-ubuntu1804-builder-4c-4g-3445 systemd-logind[995]: New seat seat0.
Jan 27 15:26:23 prd-ubuntu1804-builder-4c-4g-3445 sshd[1037]: Server listening on 0.0.0.0 port 22.
Jan 27 15:26:23 prd-ubuntu1804-builder-4c-4g-3445 sshd[1037]: Server listening on :: port 22.
Jan 27 15:26:25 prd-ubuntu1804-builder-4c-4g-3445 sshd[1293]: Did not receive identification string from 10.30.104.4 port 39086
Jan 27 15:26:32 prd-ubuntu1804-builder-4c-4g-3445 sshd[1366]: Invalid user jenkins from 10.30.104.4 port 39112
Jan 27 15:26:32 prd-ubuntu1804-builder-4c-4g-3445 sshd[1366]: Received disconnect from 10.30.104.4 port 39112:11: Closed due to user request. [preauth]
Jan 27 15:26:32 prd-ubuntu1804-builder-4c-4g-3445 sshd[1366]: Disconnected from invalid user jenkins 10.30.104.4 port 39112 [preauth]
Jan 27 15:26:34 prd-ubuntu1804-builder-4c-4g-3445 sshd[1370]: Invalid user jenkins from 10.30.104.4 port 39142
Jan 27 15:26:34 prd-ubuntu1804-builder-4c-4g-3445 sshd[1370]: Received disconnect from 10.30.104.4 port 39142:11: Closed due to user request. [preauth]
Jan 27 15:26:34 prd-ubuntu1804-builder-4c-4g-3445 sshd[1370]: Disconnected from invalid user jenkins 10.30.104.4 port 39142 [preauth]
Jan 27 15:26:36 prd-ubuntu1804-builder-4c-4g-3445 sshd[1372]: Invalid user jenkins from 10.30.104.4 port 39156
Jan 27 15:26:36 prd-ubuntu1804-builder-4c-4g-3445 sshd[1372]: Received disconnect from 10.30.104.4 port 39156:11: Closed due to user request. [preauth]
Jan 27 15:26:36 prd-ubuntu1804-builder-4c-4g-3445 sshd[1372]: Disconnected from invalid user jenkins 10.30.104.4 port 39156 [preauth]
Jan 27 15:26:38 prd-ubuntu1804-builder-4c-4g-3445 sshd[1374]: Invalid user jenkins from 10.30.104.4 port 39176
Jan 27 15:26:38 prd-ubuntu1804-builder-4c-4g-3445 sshd[1374]: Received disconnect from 10.30.104.4 port 39176:11: Closed due to user request. [preauth]
Jan 27 15:26:38 prd-ubuntu1804-builder-4c-4g-3445 sshd[1374]: Disconnected from invalid user jenkins 10.30.104.4 port 39176 [preauth]
Jan 27 15:26:40 prd-ubuntu1804-builder-4c-4g-3445 useradd[1394]: new group: name=jenkins, GID=1001
Jan 27 15:26:40 prd-ubuntu1804-builder-4c-4g-3445 useradd[1394]: new user: name=jenkins, UID=1001, GID=1001, home=/home/jenkins, shell=/bin/bash
Jan 27 15:26:40 prd-ubuntu1804-builder-4c-4g-3445 sshd[1395]: Invalid user jenkins from 10.30.104.4 port 39194
Jan 27 15:26:40 prd-ubuntu1804-builder-4c-4g-3445 sshd[1395]: Received disconnect from 10.30.104.4 port 39194:11: Closed due to user request. [preauth]
Jan 27 15:26:40 prd-ubuntu1804-builder-4c-4g-3445 sshd[1395]: Disconnected from invalid user jenkins 10.30.104.4 port 39194 [preauth]
Jan 27 15:26:42 prd-ubuntu1804-builder-4c-4g-3445 sshd[1462]: Accepted publickey for jenkins from 10.30.104.4 port 39218 ssh2: RSA SHA256:V0799BjlU//1ruj1g81rY7MeNIJkwAJ0Kr3lNX3XaN4
Jan 27 15:26:42 prd-ubuntu1804-builder-4c-4g-3445 sshd[1462]: pam_unix(sshd:session): session opened for user jenkins by (uid=0)
Jan 27 15:26:42 prd-ubuntu1804-builder-4c-4g-3445 systemd-logind[995]: New session 1 of user jenkins.
Jan 27 15:26:42 prd-ubuntu1804-builder-4c-4g-3445 systemd: pam_unix(systemd-user:session): session opened for user jenkins by (uid=0)
Jan 27 15:27:01 prd-ubuntu1804-builder-4c-4g-3445 CRON[2021]: pam_unix(cron:session): session opened for user root by (uid=0)
Jan 27 15:27:01 prd-ubuntu1804-builder-4c-4g-3445 CRON[2021]: pam_unix(cron:session): session closed for user root
Jan 27 15:28:01 prd-ubuntu1804-builder-4c-4g-3445 CRON[2826]: pam_unix(cron:session): session opened for user root by (uid=0)
Jan 27 15:28:01 prd-ubuntu1804-builder-4c-4g-3445 CRON[2826]: pam_unix(cron:session): session closed for user root
Jan 27 15:28:58 prd-ubuntu1804-builder-4c-4g-3445 sudo:  jenkins : TTY=unknown ; PWD=/w/workspace/oom-master-pre-commit-lint ; USER=root ; COMMAND=/bin/cp /var/log/auth.log /tmp
Jan 27 15:28:58 prd-ubuntu1804-builder-4c-4g-3445 sudo: pam_unix(sudo:session): session opened for user root by (uid=0)