Apr 10 13:55:42 prd-ubuntu1804-builder-4c-4g-22104 passwd[936]: password for 'ubuntu' changed by 'root'
Apr 10 13:55:42 prd-ubuntu1804-builder-4c-4g-22104 systemd-logind[994]: Watching system buttons on /dev/input/event0 (Power Button)
Apr 10 13:55:42 prd-ubuntu1804-builder-4c-4g-22104 systemd-logind[994]: Watching system buttons on /dev/input/event1 (AT Translated Set 2 keyboard)
Apr 10 13:55:42 prd-ubuntu1804-builder-4c-4g-22104 systemd-logind[994]: New seat seat0.
Apr 10 13:55:42 prd-ubuntu1804-builder-4c-4g-22104 sshd[1047]: Server listening on 0.0.0.0 port 22.
Apr 10 13:55:42 prd-ubuntu1804-builder-4c-4g-22104 sshd[1047]: Server listening on :: port 22.
Apr 10 13:55:44 prd-ubuntu1804-builder-4c-4g-22104 sshd[1276]: Did not receive identification string from 10.30.104.4 port 36546
Apr 10 13:55:54 prd-ubuntu1804-builder-4c-4g-22104 sshd[1384]: Invalid user jenkins from 10.30.104.4 port 36574
Apr 10 13:55:54 prd-ubuntu1804-builder-4c-4g-22104 sshd[1384]: Received disconnect from 10.30.104.4 port 36574:11: Closed due to user request. [preauth]
Apr 10 13:55:54 prd-ubuntu1804-builder-4c-4g-22104 sshd[1384]: Disconnected from invalid user jenkins 10.30.104.4 port 36574 [preauth]
Apr 10 13:55:56 prd-ubuntu1804-builder-4c-4g-22104 sshd[1388]: Invalid user jenkins from 10.30.104.4 port 36592
Apr 10 13:55:56 prd-ubuntu1804-builder-4c-4g-22104 sshd[1388]: Received disconnect from 10.30.104.4 port 36592:11: Closed due to user request. [preauth]
Apr 10 13:55:56 prd-ubuntu1804-builder-4c-4g-22104 sshd[1388]: Disconnected from invalid user jenkins 10.30.104.4 port 36592 [preauth]
Apr 10 13:55:58 prd-ubuntu1804-builder-4c-4g-22104 useradd[1408]: new group: name=jenkins, GID=1001
Apr 10 13:55:58 prd-ubuntu1804-builder-4c-4g-22104 useradd[1408]: new user: name=jenkins, UID=1001, GID=1001, home=/home/jenkins, shell=/bin/bash
Apr 10 13:55:58 prd-ubuntu1804-builder-4c-4g-22104 sshd[1431]: Accepted publickey for jenkins from 10.30.104.4 port 36602 ssh2: RSA SHA256:V0799BjlU//1ruj1g81rY7MeNIJkwAJ0Kr3lNX3XaN4
Apr 10 13:55:58 prd-ubuntu1804-builder-4c-4g-22104 sshd[1431]: pam_unix(sshd:session): session opened for user jenkins by (uid=0)
Apr 10 13:55:58 prd-ubuntu1804-builder-4c-4g-22104 systemd-logind[994]: New session 1 of user jenkins.
Apr 10 13:55:58 prd-ubuntu1804-builder-4c-4g-22104 systemd: pam_unix(systemd-user:session): session opened for user jenkins by (uid=0)
Apr 10 13:56:01 prd-ubuntu1804-builder-4c-4g-22104 CRON[1681]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr 10 13:56:01 prd-ubuntu1804-builder-4c-4g-22104 CRON[1681]: pam_unix(cron:session): session closed for user root
Apr 10 13:57:00 prd-ubuntu1804-builder-4c-4g-22104 sudo:  jenkins : TTY=unknown ; PWD=/w/workspace/oom-master-sphinx-lint ; USER=root ; COMMAND=/usr/bin/apt install graphviz
Apr 10 13:57:00 prd-ubuntu1804-builder-4c-4g-22104 sudo: pam_unix(sudo:session): session opened for user root by (uid=0)
Apr 10 13:57:00 prd-ubuntu1804-builder-4c-4g-22104 sudo: pam_unix(sudo:session): session closed for user root
Apr 10 13:57:02 prd-ubuntu1804-builder-4c-4g-22104 CRON[2453]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr 10 13:57:02 prd-ubuntu1804-builder-4c-4g-22104 CRON[2453]: pam_unix(cron:session): session closed for user root
Apr 10 13:57:22 prd-ubuntu1804-builder-4c-4g-22104 sudo:  jenkins : TTY=unknown ; PWD=/w/workspace/oom-master-sphinx-lint ; USER=root ; COMMAND=/usr/bin/apt install graphviz
Apr 10 13:57:22 prd-ubuntu1804-builder-4c-4g-22104 sudo: pam_unix(sudo:session): session opened for user root by (uid=0)
Apr 10 13:57:22 prd-ubuntu1804-builder-4c-4g-22104 sudo: pam_unix(sudo:session): session closed for user root
Apr 10 13:58:01 prd-ubuntu1804-builder-4c-4g-22104 CRON[2546]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr 10 13:58:01 prd-ubuntu1804-builder-4c-4g-22104 CRON[2546]: pam_unix(cron:session): session closed for user root
Apr 10 13:59:01 prd-ubuntu1804-builder-4c-4g-22104 CRON[3173]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr 10 13:59:01 prd-ubuntu1804-builder-4c-4g-22104 CRON[3173]: pam_unix(cron:session): session closed for user root
Apr 10 14:00:00 prd-ubuntu1804-builder-4c-4g-22104 sudo:  jenkins : TTY=unknown ; PWD=/w/workspace/oom-master-sphinx-lint ; USER=root ; COMMAND=/bin/cp /var/log/auth.log /tmp
Apr 10 14:00:00 prd-ubuntu1804-builder-4c-4g-22104 sudo: pam_unix(sudo:session): session opened for user root by (uid=0)