Jan 28 21:05:08 prd-ubuntu1804-builder-4c-4g-3903 passwd[936]: password for 'ubuntu' changed by 'root'
Jan 28 21:05:08 prd-ubuntu1804-builder-4c-4g-3903 systemd-logind[988]: Watching system buttons on /dev/input/event0 (Power Button)
Jan 28 21:05:08 prd-ubuntu1804-builder-4c-4g-3903 systemd-logind[988]: Watching system buttons on /dev/input/event1 (AT Translated Set 2 keyboard)
Jan 28 21:05:08 prd-ubuntu1804-builder-4c-4g-3903 systemd-logind[988]: New seat seat0.
Jan 28 21:05:08 prd-ubuntu1804-builder-4c-4g-3903 sshd[1059]: Server listening on 0.0.0.0 port 22.
Jan 28 21:05:08 prd-ubuntu1804-builder-4c-4g-3903 sshd[1059]: Server listening on :: port 22.
Jan 28 21:05:12 prd-ubuntu1804-builder-4c-4g-3903 sshd[1305]: Did not receive identification string from 10.30.104.4 port 51618
Jan 28 21:05:21 prd-ubuntu1804-builder-4c-4g-3903 sshd[1465]: Invalid user jenkins from 10.30.104.4 port 51640
Jan 28 21:05:21 prd-ubuntu1804-builder-4c-4g-3903 sshd[1465]: Received disconnect from 10.30.104.4 port 51640:11: Closed due to user request. [preauth]
Jan 28 21:05:21 prd-ubuntu1804-builder-4c-4g-3903 sshd[1465]: Disconnected from invalid user jenkins 10.30.104.4 port 51640 [preauth]
Jan 28 21:05:23 prd-ubuntu1804-builder-4c-4g-3903 sshd[1469]: Invalid user jenkins from 10.30.104.4 port 51652
Jan 28 21:05:23 prd-ubuntu1804-builder-4c-4g-3903 sshd[1469]: Received disconnect from 10.30.104.4 port 51652:11: Closed due to user request. [preauth]
Jan 28 21:05:23 prd-ubuntu1804-builder-4c-4g-3903 sshd[1469]: Disconnected from invalid user jenkins 10.30.104.4 port 51652 [preauth]
Jan 28 21:05:25 prd-ubuntu1804-builder-4c-4g-3903 sshd[1471]: Invalid user jenkins from 10.30.104.4 port 51660
Jan 28 21:05:27 prd-ubuntu1804-builder-4c-4g-3903 sshd[1471]: Received disconnect from 10.30.104.4 port 51660:11: Closed due to user request. [preauth]
Jan 28 21:05:27 prd-ubuntu1804-builder-4c-4g-3903 sshd[1471]: Disconnected from invalid user jenkins 10.30.104.4 port 51660 [preauth]
Jan 28 21:05:29 prd-ubuntu1804-builder-4c-4g-3903 sshd[1473]: Invalid user jenkins from 10.30.104.4 port 51676
Jan 28 21:05:29 prd-ubuntu1804-builder-4c-4g-3903 sshd[1473]: Received disconnect from 10.30.104.4 port 51676:11: Closed due to user request. [preauth]
Jan 28 21:05:29 prd-ubuntu1804-builder-4c-4g-3903 sshd[1473]: Disconnected from invalid user jenkins 10.30.104.4 port 51676 [preauth]
Jan 28 21:05:32 prd-ubuntu1804-builder-4c-4g-3903 useradd[1493]: new group: name=jenkins, GID=1001
Jan 28 21:05:32 prd-ubuntu1804-builder-4c-4g-3903 useradd[1493]: new user: name=jenkins, UID=1001, GID=1001, home=/home/jenkins, shell=/bin/bash
Jan 28 21:05:32 prd-ubuntu1804-builder-4c-4g-3903 sshd[1494]: Invalid user jenkins from 10.30.104.4 port 51686
Jan 28 21:05:32 prd-ubuntu1804-builder-4c-4g-3903 sshd[1494]: Received disconnect from 10.30.104.4 port 51686:11: Closed due to user request. [preauth]
Jan 28 21:05:32 prd-ubuntu1804-builder-4c-4g-3903 sshd[1494]: Disconnected from invalid user jenkins 10.30.104.4 port 51686 [preauth]
Jan 28 21:05:34 prd-ubuntu1804-builder-4c-4g-3903 sshd[1555]: Accepted publickey for jenkins from 10.30.104.4 port 51696 ssh2: RSA SHA256:V0799BjlU//1ruj1g81rY7MeNIJkwAJ0Kr3lNX3XaN4
Jan 28 21:05:34 prd-ubuntu1804-builder-4c-4g-3903 sshd[1555]: pam_unix(sshd:session): session opened for user jenkins by (uid=0)
Jan 28 21:05:34 prd-ubuntu1804-builder-4c-4g-3903 systemd-logind[988]: New session 1 of user jenkins.
Jan 28 21:05:34 prd-ubuntu1804-builder-4c-4g-3903 systemd: pam_unix(systemd-user:session): session opened for user jenkins by (uid=0)
Jan 28 21:06:02 prd-ubuntu1804-builder-4c-4g-3903 CRON[2105]: pam_unix(cron:session): session opened for user root by (uid=0)
Jan 28 21:06:02 prd-ubuntu1804-builder-4c-4g-3903 CRON[2105]: pam_unix(cron:session): session closed for user root
Jan 28 21:07:01 prd-ubuntu1804-builder-4c-4g-3903 CRON[2920]: pam_unix(cron:session): session opened for user root by (uid=0)
Jan 28 21:07:01 prd-ubuntu1804-builder-4c-4g-3903 CRON[2920]: pam_unix(cron:session): session closed for user root
Jan 28 21:07:49 prd-ubuntu1804-builder-4c-4g-3903 sudo:  jenkins : TTY=unknown ; PWD=/w/workspace/oom-master-pre-commit-lint ; USER=root ; COMMAND=/bin/cp /var/log/auth.log /tmp
Jan 28 21:07:49 prd-ubuntu1804-builder-4c-4g-3903 sudo: pam_unix(sudo:session): session opened for user root by (uid=0)