Apr  4 06:20:32 prd-ubuntu1804-builder-4c-4g-20446 passwd[960]: password for 'ubuntu' changed by 'root'
Apr  4 06:20:32 prd-ubuntu1804-builder-4c-4g-20446 systemd-logind[1032]: Watching system buttons on /dev/input/event0 (Power Button)
Apr  4 06:20:32 prd-ubuntu1804-builder-4c-4g-20446 systemd-logind[1032]: Watching system buttons on /dev/input/event1 (AT Translated Set 2 keyboard)
Apr  4 06:20:32 prd-ubuntu1804-builder-4c-4g-20446 systemd-logind[1032]: New seat seat0.
Apr  4 06:20:44 prd-ubuntu1804-builder-4c-4g-20446 sshd[1147]: Server listening on 0.0.0.0 port 22.
Apr  4 06:20:44 prd-ubuntu1804-builder-4c-4g-20446 sshd[1147]: Server listening on :: port 22.
Apr  4 06:20:46 prd-ubuntu1804-builder-4c-4g-20446 sshd[1407]: Did not receive identification string from 10.30.104.4 port 33664
Apr  4 06:20:55 prd-ubuntu1804-builder-4c-4g-20446 sshd[1554]: Invalid user jenkins from 10.30.104.4 port 33692
Apr  4 06:20:55 prd-ubuntu1804-builder-4c-4g-20446 sshd[1554]: Received disconnect from 10.30.104.4 port 33692:11: Closed due to user request. [preauth]
Apr  4 06:20:55 prd-ubuntu1804-builder-4c-4g-20446 sshd[1554]: Disconnected from invalid user jenkins 10.30.104.4 port 33692 [preauth]
Apr  4 06:20:57 prd-ubuntu1804-builder-4c-4g-20446 sshd[1558]: Invalid user jenkins from 10.30.104.4 port 33722
Apr  4 06:20:57 prd-ubuntu1804-builder-4c-4g-20446 sshd[1558]: Received disconnect from 10.30.104.4 port 33722:11: Closed due to user request. [preauth]
Apr  4 06:20:57 prd-ubuntu1804-builder-4c-4g-20446 sshd[1558]: Disconnected from invalid user jenkins 10.30.104.4 port 33722 [preauth]
Apr  4 06:20:59 prd-ubuntu1804-builder-4c-4g-20446 sshd[1560]: Invalid user jenkins from 10.30.104.4 port 33732
Apr  4 06:20:59 prd-ubuntu1804-builder-4c-4g-20446 sshd[1560]: Received disconnect from 10.30.104.4 port 33732:11: Closed due to user request. [preauth]
Apr  4 06:20:59 prd-ubuntu1804-builder-4c-4g-20446 sshd[1560]: Disconnected from invalid user jenkins 10.30.104.4 port 33732 [preauth]
Apr  4 06:21:01 prd-ubuntu1804-builder-4c-4g-20446 useradd[1580]: new group: name=jenkins, GID=1001
Apr  4 06:21:01 prd-ubuntu1804-builder-4c-4g-20446 useradd[1580]: new user: name=jenkins, UID=1001, GID=1001, home=/home/jenkins, shell=/bin/bash
Apr  4 06:21:01 prd-ubuntu1804-builder-4c-4g-20446 sshd[1581]: Invalid user jenkins from 10.30.104.4 port 33744
Apr  4 06:21:01 prd-ubuntu1804-builder-4c-4g-20446 sshd[1581]: Received disconnect from 10.30.104.4 port 33744:11: Closed due to user request. [preauth]
Apr  4 06:21:01 prd-ubuntu1804-builder-4c-4g-20446 sshd[1581]: Disconnected from invalid user jenkins 10.30.104.4 port 33744 [preauth]
Apr  4 06:21:01 prd-ubuntu1804-builder-4c-4g-20446 CRON[1584]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr  4 06:21:01 prd-ubuntu1804-builder-4c-4g-20446 CRON[1584]: pam_unix(cron:session): session closed for user root
Apr  4 06:21:03 prd-ubuntu1804-builder-4c-4g-20446 sshd[1651]: Accepted publickey for jenkins from 10.30.104.4 port 33760 ssh2: RSA SHA256:V0799BjlU//1ruj1g81rY7MeNIJkwAJ0Kr3lNX3XaN4
Apr  4 06:21:03 prd-ubuntu1804-builder-4c-4g-20446 sshd[1651]: pam_unix(sshd:session): session opened for user jenkins by (uid=0)
Apr  4 06:21:03 prd-ubuntu1804-builder-4c-4g-20446 systemd-logind[1032]: New session 2 of user jenkins.
Apr  4 06:21:03 prd-ubuntu1804-builder-4c-4g-20446 systemd: pam_unix(systemd-user:session): session opened for user jenkins by (uid=0)
Apr  4 06:22:01 prd-ubuntu1804-builder-4c-4g-20446 CRON[2985]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr  4 06:22:01 prd-ubuntu1804-builder-4c-4g-20446 CRON[2985]: pam_unix(cron:session): session closed for user root
Apr  4 06:23:01 prd-ubuntu1804-builder-4c-4g-20446 CRON[3414]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr  4 06:23:01 prd-ubuntu1804-builder-4c-4g-20446 CRON[3414]: pam_unix(cron:session): session closed for user root
Apr  4 06:23:14 prd-ubuntu1804-builder-4c-4g-20446 sudo:  jenkins : TTY=unknown ; PWD=/w/workspace/oom-master-pre-commit-lint ; USER=root ; COMMAND=/bin/cp /var/log/auth.log /tmp
Apr  4 06:23:14 prd-ubuntu1804-builder-4c-4g-20446 sudo: pam_unix(sudo:session): session opened for user root by (uid=0)