May  8 11:39:54 prd-ubuntu1804-builder-4c-4g-8939 passwd[929]: password for 'ubuntu' changed by 'root'
May  8 11:39:54 prd-ubuntu1804-builder-4c-4g-8939 systemd-logind[1007]: Watching system buttons on /dev/input/event0 (Power Button)
May  8 11:39:54 prd-ubuntu1804-builder-4c-4g-8939 systemd-logind[1007]: Watching system buttons on /dev/input/event1 (AT Translated Set 2 keyboard)
May  8 11:39:54 prd-ubuntu1804-builder-4c-4g-8939 systemd-logind[1007]: New seat seat0.
May  8 11:39:54 prd-ubuntu1804-builder-4c-4g-8939 sshd[1018]: Server listening on 0.0.0.0 port 22.
May  8 11:39:54 prd-ubuntu1804-builder-4c-4g-8939 sshd[1018]: Server listening on :: port 22.
May  8 11:39:58 prd-ubuntu1804-builder-4c-4g-8939 sshd[1369]: Did not receive identification string from 10.30.104.4 port 60246
May  8 11:40:02 prd-ubuntu1804-builder-4c-4g-8939 sshd[1396]: Invalid user jenkins from 10.30.104.4 port 60258
May  8 11:40:02 prd-ubuntu1804-builder-4c-4g-8939 CRON[1391]: pam_unix(cron:session): session opened for user root by (uid=0)
May  8 11:40:02 prd-ubuntu1804-builder-4c-4g-8939 CRON[1391]: pam_unix(cron:session): session closed for user root
May  8 11:40:02 prd-ubuntu1804-builder-4c-4g-8939 sshd[1396]: Received disconnect from 10.30.104.4 port 60258:11: Closed due to user request. [preauth]
May  8 11:40:02 prd-ubuntu1804-builder-4c-4g-8939 sshd[1396]: Disconnected from invalid user jenkins 10.30.104.4 port 60258 [preauth]
May  8 11:40:04 prd-ubuntu1804-builder-4c-4g-8939 sshd[1411]: Invalid user jenkins from 10.30.104.4 port 60274
May  8 11:40:04 prd-ubuntu1804-builder-4c-4g-8939 useradd[1418]: new group: name=jenkins, GID=1001
May  8 11:40:04 prd-ubuntu1804-builder-4c-4g-8939 useradd[1418]: new user: name=jenkins, UID=1001, GID=1001, home=/home/jenkins, shell=/bin/bash
May  8 11:40:04 prd-ubuntu1804-builder-4c-4g-8939 sshd[1411]: Received disconnect from 10.30.104.4 port 60274:11: Closed due to user request. [preauth]
May  8 11:40:04 prd-ubuntu1804-builder-4c-4g-8939 sshd[1411]: Disconnected from invalid user jenkins 10.30.104.4 port 60274 [preauth]
May  8 11:40:06 prd-ubuntu1804-builder-4c-4g-8939 sshd[1478]: Accepted publickey for jenkins from 10.30.104.4 port 60276 ssh2: RSA SHA256:V0799BjlU//1ruj1g81rY7MeNIJkwAJ0Kr3lNX3XaN4
May  8 11:40:06 prd-ubuntu1804-builder-4c-4g-8939 sshd[1478]: pam_unix(sshd:session): session opened for user jenkins by (uid=0)
May  8 11:40:06 prd-ubuntu1804-builder-4c-4g-8939 systemd-logind[1007]: New session 2 of user jenkins.
May  8 11:40:06 prd-ubuntu1804-builder-4c-4g-8939 systemd: pam_unix(systemd-user:session): session opened for user jenkins by (uid=0)
May  8 11:41:01 prd-ubuntu1804-builder-4c-4g-8939 CRON[2568]: pam_unix(cron:session): session opened for user root by (uid=0)
May  8 11:41:01 prd-ubuntu1804-builder-4c-4g-8939 CRON[2568]: pam_unix(cron:session): session closed for user root
May  8 11:41:59 prd-ubuntu1804-builder-4c-4g-8939 sudo:  jenkins : TTY=unknown ; PWD=/w/workspace/oom-master-pre-commit-lint ; USER=root ; COMMAND=/bin/cp /var/log/auth.log /tmp
May  8 11:41:59 prd-ubuntu1804-builder-4c-4g-8939 sudo: pam_unix(sudo:session): session opened for user root by (uid=0)