May  4 05:31:36 prd-ubuntu1804-builder-4c-4g-8002 passwd[896]: password for 'ubuntu' changed by 'root'
May  4 05:31:36 prd-ubuntu1804-builder-4c-4g-8002 systemd-logind[932]: Watching system buttons on /dev/input/event0 (Power Button)
May  4 05:31:36 prd-ubuntu1804-builder-4c-4g-8002 systemd-logind[932]: Watching system buttons on /dev/input/event1 (AT Translated Set 2 keyboard)
May  4 05:31:36 prd-ubuntu1804-builder-4c-4g-8002 systemd-logind[932]: New seat seat0.
May  4 05:31:36 prd-ubuntu1804-builder-4c-4g-8002 sshd[993]: Server listening on 0.0.0.0 port 22.
May  4 05:31:36 prd-ubuntu1804-builder-4c-4g-8002 sshd[993]: Server listening on :: port 22.
May  4 05:31:37 prd-ubuntu1804-builder-4c-4g-8002 sshd[1196]: Did not receive identification string from 10.30.104.4 port 39366
May  4 05:31:41 prd-ubuntu1804-builder-4c-4g-8002 sshd[1332]: Invalid user jenkins from 10.30.104.4 port 39378
May  4 05:31:41 prd-ubuntu1804-builder-4c-4g-8002 sshd[1332]: Received disconnect from 10.30.104.4 port 39378:11: Closed due to user request. [preauth]
May  4 05:31:41 prd-ubuntu1804-builder-4c-4g-8002 sshd[1332]: Disconnected from invalid user jenkins 10.30.104.4 port 39378 [preauth]
May  4 05:31:41 prd-ubuntu1804-builder-4c-4g-8002 useradd[1341]: new group: name=jenkins, GID=1001
May  4 05:31:41 prd-ubuntu1804-builder-4c-4g-8002 useradd[1341]: new user: name=jenkins, UID=1001, GID=1001, home=/home/jenkins, shell=/bin/bash
May  4 05:31:44 prd-ubuntu1804-builder-4c-4g-8002 sshd[1410]: Accepted publickey for jenkins from 10.30.104.4 port 39382 ssh2: RSA SHA256:V0799BjlU//1ruj1g81rY7MeNIJkwAJ0Kr3lNX3XaN4
May  4 05:31:44 prd-ubuntu1804-builder-4c-4g-8002 sshd[1410]: pam_unix(sshd:session): session opened for user jenkins by (uid=0)
May  4 05:31:44 prd-ubuntu1804-builder-4c-4g-8002 systemd-logind[932]: New session 1 of user jenkins.
May  4 05:31:44 prd-ubuntu1804-builder-4c-4g-8002 systemd: pam_unix(systemd-user:session): session opened for user jenkins by (uid=0)
May  4 05:32:01 prd-ubuntu1804-builder-4c-4g-8002 CRON[1930]: pam_unix(cron:session): session opened for user root by (uid=0)
May  4 05:32:01 prd-ubuntu1804-builder-4c-4g-8002 CRON[1930]: pam_unix(cron:session): session closed for user root
May  4 05:33:01 prd-ubuntu1804-builder-4c-4g-8002 CRON[2464]: pam_unix(cron:session): session opened for user root by (uid=0)
May  4 05:33:01 prd-ubuntu1804-builder-4c-4g-8002 CRON[2464]: pam_unix(cron:session): session closed for user root
May  4 05:33:33 prd-ubuntu1804-builder-4c-4g-8002 sudo:  jenkins : TTY=unknown ; PWD=/w/workspace/oom-master-doc8-lint ; USER=root ; COMMAND=/bin/cp /var/log/auth.log /tmp
May  4 05:33:33 prd-ubuntu1804-builder-4c-4g-8002 sudo: pam_unix(sudo:session): session opened for user root by (uid=0)