Oct 14 08:23:57 prd-ubuntu1804-builder-4c-4g-1607 passwd[959]: password for 'ubuntu' changed by 'root'
Oct 14 08:23:57 prd-ubuntu1804-builder-4c-4g-1607 systemd-logind[1005]: Watching system buttons on /dev/input/event0 (Power Button)
Oct 14 08:23:57 prd-ubuntu1804-builder-4c-4g-1607 systemd-logind[1005]: Watching system buttons on /dev/input/event1 (AT Translated Set 2 keyboard)
Oct 14 08:23:57 prd-ubuntu1804-builder-4c-4g-1607 systemd-logind[1005]: New seat seat0.
Oct 14 08:23:57 prd-ubuntu1804-builder-4c-4g-1607 sshd[1031]: Server listening on 0.0.0.0 port 22.
Oct 14 08:23:57 prd-ubuntu1804-builder-4c-4g-1607 sshd[1031]: Server listening on :: port 22.
Oct 14 08:23:59 prd-ubuntu1804-builder-4c-4g-1607 sshd[1296]: Did not receive identification string from 10.30.104.4 port 42044
Oct 14 08:24:01 prd-ubuntu1804-builder-4c-4g-1607 sshd[1360]: Invalid user jenkins from 10.30.104.4 port 42046
Oct 14 08:24:01 prd-ubuntu1804-builder-4c-4g-1607 sshd[1360]: Received disconnect from 10.30.104.4 port 42046:11: Closed due to user request. [preauth]
Oct 14 08:24:01 prd-ubuntu1804-builder-4c-4g-1607 sshd[1360]: Disconnected from invalid user jenkins 10.30.104.4 port 42046 [preauth]
Oct 14 08:24:01 prd-ubuntu1804-builder-4c-4g-1607 CRON[1364]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 14 08:24:01 prd-ubuntu1804-builder-4c-4g-1607 CRON[1364]: pam_unix(cron:session): session closed for user root
Oct 14 08:24:02 prd-ubuntu1804-builder-4c-4g-1607 useradd[1394]: new group: name=jenkins, GID=1001
Oct 14 08:24:02 prd-ubuntu1804-builder-4c-4g-1607 useradd[1394]: new user: name=jenkins, UID=1001, GID=1001, home=/home/jenkins, shell=/bin/bash
Oct 14 08:24:03 prd-ubuntu1804-builder-4c-4g-1607 sshd[1427]: Accepted publickey for jenkins from 10.30.104.4 port 42048 ssh2: RSA SHA256:V0799BjlU//1ruj1g81rY7MeNIJkwAJ0Kr3lNX3XaN4
Oct 14 08:24:03 prd-ubuntu1804-builder-4c-4g-1607 sshd[1427]: pam_unix(sshd:session): session opened for user jenkins by (uid=0)
Oct 14 08:24:03 prd-ubuntu1804-builder-4c-4g-1607 systemd-logind[1005]: New session 2 of user jenkins.
Oct 14 08:24:03 prd-ubuntu1804-builder-4c-4g-1607 systemd: pam_unix(systemd-user:session): session opened for user jenkins by (uid=0)
Oct 14 08:25:01 prd-ubuntu1804-builder-4c-4g-1607 CRON[2481]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 14 08:25:01 prd-ubuntu1804-builder-4c-4g-1607 CRON[2481]: pam_unix(cron:session): session closed for user root
Oct 14 08:25:41 prd-ubuntu1804-builder-4c-4g-1607 sudo:  jenkins : TTY=unknown ; PWD=/w/workspace/oom-master-checkbashisms-lint ; USER=root ; COMMAND=/bin/cp /var/log/auth.log /tmp
Oct 14 08:25:41 prd-ubuntu1804-builder-4c-4g-1607 sudo: pam_unix(sudo:session): session opened for user root by (uid=0)