Apr 20 07:31:30 prd-ubuntu1804-builder-4c-4g-3500 passwd[911]: password for 'ubuntu' changed by 'root'
Apr 20 07:31:30 prd-ubuntu1804-builder-4c-4g-3500 systemd-logind[960]: Watching system buttons on /dev/input/event0 (Power Button)
Apr 20 07:31:30 prd-ubuntu1804-builder-4c-4g-3500 systemd-logind[960]: Watching system buttons on /dev/input/event1 (AT Translated Set 2 keyboard)
Apr 20 07:31:30 prd-ubuntu1804-builder-4c-4g-3500 systemd-logind[960]: New seat seat0.
Apr 20 07:31:30 prd-ubuntu1804-builder-4c-4g-3500 sshd[1044]: Server listening on 0.0.0.0 port 22.
Apr 20 07:31:30 prd-ubuntu1804-builder-4c-4g-3500 sshd[1044]: Server listening on :: port 22.
Apr 20 07:31:31 prd-ubuntu1804-builder-4c-4g-3500 sshd[1219]: Did not receive identification string from 10.30.104.4 port 60220
Apr 20 07:31:32 prd-ubuntu1804-builder-4c-4g-3500 sshd[1263]: Invalid user jenkins from 10.30.104.4 port 60222
Apr 20 07:31:32 prd-ubuntu1804-builder-4c-4g-3500 sshd[1263]: Received disconnect from 10.30.104.4 port 60222:11: Closed due to user request. [preauth]
Apr 20 07:31:32 prd-ubuntu1804-builder-4c-4g-3500 sshd[1263]: Disconnected from invalid user jenkins 10.30.104.4 port 60222 [preauth]
Apr 20 07:31:34 prd-ubuntu1804-builder-4c-4g-3500 sshd[1360]: Invalid user jenkins from 10.30.104.4 port 60230
Apr 20 07:31:34 prd-ubuntu1804-builder-4c-4g-3500 sshd[1360]: Received disconnect from 10.30.104.4 port 60230:11: Closed due to user request. [preauth]
Apr 20 07:31:34 prd-ubuntu1804-builder-4c-4g-3500 sshd[1360]: Disconnected from invalid user jenkins 10.30.104.4 port 60230 [preauth]
Apr 20 07:31:36 prd-ubuntu1804-builder-4c-4g-3500 sshd[1397]: Invalid user jenkins from 10.30.104.4 port 60242
Apr 20 07:31:36 prd-ubuntu1804-builder-4c-4g-3500 sshd[1397]: Received disconnect from 10.30.104.4 port 60242:11: Closed due to user request. [preauth]
Apr 20 07:31:36 prd-ubuntu1804-builder-4c-4g-3500 sshd[1397]: Disconnected from invalid user jenkins 10.30.104.4 port 60242 [preauth]
Apr 20 07:31:38 prd-ubuntu1804-builder-4c-4g-3500 useradd[1414]: new group: name=jenkins, GID=1001
Apr 20 07:31:38 prd-ubuntu1804-builder-4c-4g-3500 useradd[1414]: new user: name=jenkins, UID=1001, GID=1001, home=/home/jenkins, shell=/bin/bash
Apr 20 07:31:38 prd-ubuntu1804-builder-4c-4g-3500 sshd[1427]: Received disconnect from 10.30.104.4 port 60248:11: Closed due to user request. [preauth]
Apr 20 07:31:38 prd-ubuntu1804-builder-4c-4g-3500 sshd[1427]: Disconnected from authenticating user jenkins 10.30.104.4 port 60248 [preauth]
Apr 20 07:31:40 prd-ubuntu1804-builder-4c-4g-3500 sshd[1484]: Accepted publickey for jenkins from 10.30.104.4 port 60256 ssh2: RSA SHA256:V0799BjlU//1ruj1g81rY7MeNIJkwAJ0Kr3lNX3XaN4
Apr 20 07:31:40 prd-ubuntu1804-builder-4c-4g-3500 sshd[1484]: pam_unix(sshd:session): session opened for user jenkins by (uid=0)
Apr 20 07:31:40 prd-ubuntu1804-builder-4c-4g-3500 systemd-logind[960]: New session 1 of user jenkins.
Apr 20 07:31:40 prd-ubuntu1804-builder-4c-4g-3500 systemd: pam_unix(systemd-user:session): session opened for user jenkins by (uid=0)
Apr 20 07:32:01 prd-ubuntu1804-builder-4c-4g-3500 CRON[2037]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr 20 07:32:01 prd-ubuntu1804-builder-4c-4g-3500 CRON[2037]: pam_unix(cron:session): session closed for user root
Apr 20 07:33:01 prd-ubuntu1804-builder-4c-4g-3500 CRON[2848]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr 20 07:33:01 prd-ubuntu1804-builder-4c-4g-3500 CRON[2848]: pam_unix(cron:session): session closed for user root
Apr 20 07:33:36 prd-ubuntu1804-builder-4c-4g-3500 sudo:  jenkins : TTY=unknown ; PWD=/w/workspace/oom-master-pre-commit-lint ; USER=root ; COMMAND=/bin/cp /var/log/auth.log /tmp
Apr 20 07:33:36 prd-ubuntu1804-builder-4c-4g-3500 sudo: pam_unix(sudo:session): session opened for user root by (uid=0)