Thanks for filing this bug in Ubuntu. The 1:7.2p2-4ubuntu2.5 openssh update introduced a check in the systemd service file to prevent the daemon from stopping if there is a configuration syntax error (bug #1771340). This is done by calling "/usr/sbin/sshd -t".
It looks like this call worked, from the information you provided: Process: 29678 ExecStartPre=/usr/sbin/sshd -t (code=exited, status=0/SUCCESS) The real failure must have come after. Could you please attach more logs? You can inspect /var/log/syslog for sshd messages, same for /var/log/auth, or just run: sudo apport-collect -p openssh 1798884 to attach a default set of logs to this bug. ** Changed in: openssh (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1798884 Title: Upgrade or install fails 1:7.2p2-4ubuntu2.5 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1798884/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs