Apr  4 06:20:17 prd-ubuntu1804-builder-4c-4g-20449 passwd[925]: password for 'ubuntu' changed by 'root'
Apr  4 06:20:17 prd-ubuntu1804-builder-4c-4g-20449 systemd-logind[1000]: Watching system buttons on /dev/input/event0 (Power Button)
Apr  4 06:20:17 prd-ubuntu1804-builder-4c-4g-20449 systemd-logind[1000]: Watching system buttons on /dev/input/event1 (AT Translated Set 2 keyboard)
Apr  4 06:20:17 prd-ubuntu1804-builder-4c-4g-20449 systemd-logind[1000]: New seat seat0.
Apr  4 06:20:17 prd-ubuntu1804-builder-4c-4g-20449 sshd[1050]: Server listening on 0.0.0.0 port 22.
Apr  4 06:20:17 prd-ubuntu1804-builder-4c-4g-20449 sshd[1050]: Server listening on :: port 22.
Apr  4 06:20:20 prd-ubuntu1804-builder-4c-4g-20449 sshd[1339]: Did not receive identification string from 10.30.104.4 port 55732
Apr  4 06:20:23 prd-ubuntu1804-builder-4c-4g-20449 sshd[1377]: Invalid user jenkins from 10.30.104.4 port 55740
Apr  4 06:20:23 prd-ubuntu1804-builder-4c-4g-20449 sshd[1377]: Received disconnect from 10.30.104.4 port 55740:11: Closed due to user request. [preauth]
Apr  4 06:20:23 prd-ubuntu1804-builder-4c-4g-20449 sshd[1377]: Disconnected from invalid user jenkins 10.30.104.4 port 55740 [preauth]
Apr  4 06:20:25 prd-ubuntu1804-builder-4c-4g-20449 sshd[1386]: Invalid user jenkins from 10.30.104.4 port 55762
Apr  4 06:20:26 prd-ubuntu1804-builder-4c-4g-20449 sshd[1386]: Received disconnect from 10.30.104.4 port 55762:11: Closed due to user request. [preauth]
Apr  4 06:20:26 prd-ubuntu1804-builder-4c-4g-20449 sshd[1386]: Disconnected from invalid user jenkins 10.30.104.4 port 55762 [preauth]
Apr  4 06:20:26 prd-ubuntu1804-builder-4c-4g-20449 useradd[1406]: new group: name=jenkins, GID=1001
Apr  4 06:20:26 prd-ubuntu1804-builder-4c-4g-20449 useradd[1406]: new user: name=jenkins, UID=1001, GID=1001, home=/home/jenkins, shell=/bin/bash
Apr  4 06:20:28 prd-ubuntu1804-builder-4c-4g-20449 sshd[1466]: Accepted publickey for jenkins from 10.30.104.4 port 55774 ssh2: RSA SHA256:V0799BjlU//1ruj1g81rY7MeNIJkwAJ0Kr3lNX3XaN4
Apr  4 06:20:28 prd-ubuntu1804-builder-4c-4g-20449 sshd[1466]: pam_unix(sshd:session): session opened for user jenkins by (uid=0)
Apr  4 06:20:28 prd-ubuntu1804-builder-4c-4g-20449 systemd-logind[1000]: New session 1 of user jenkins.
Apr  4 06:20:28 prd-ubuntu1804-builder-4c-4g-20449 systemd: pam_unix(systemd-user:session): session opened for user jenkins by (uid=0)
Apr  4 06:21:02 prd-ubuntu1804-builder-4c-4g-20449 CRON[2280]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr  4 06:21:02 prd-ubuntu1804-builder-4c-4g-20449 CRON[2280]: pam_unix(cron:session): session closed for user root
Apr  4 06:22:01 prd-ubuntu1804-builder-4c-4g-20449 CRON[2660]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr  4 06:22:01 prd-ubuntu1804-builder-4c-4g-20449 CRON[2660]: pam_unix(cron:session): session closed for user root
Apr  4 06:23:01 prd-ubuntu1804-builder-4c-4g-20449 CRON[3080]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr  4 06:23:01 prd-ubuntu1804-builder-4c-4g-20449 CRON[3080]: pam_unix(cron:session): session closed for user root
Apr  4 06:23:08 prd-ubuntu1804-builder-4c-4g-20449 sudo:  jenkins : TTY=unknown ; PWD=/w/workspace/oom-master-commit-lint ; USER=root ; COMMAND=/bin/cp /var/log/auth.log /tmp
Apr  4 06:23:08 prd-ubuntu1804-builder-4c-4g-20449 sudo: pam_unix(sudo:session): session opened for user root by (uid=0)