Bug#1071292: openssh-server: sshd fails to restart at package upgrade, future logins to server impossible

On Fri, May 17, 2024 at 09:42:05PM +0200, Sven-Haegar Koch wrote:
> I just upgraded openssh as part of my normal "apt dist-upgrade" every
> few days, from 1:9.7p1-4 to 1:9.7p1-5.
> 
> The whole apt went through without any errors - but afterwards sshd
> was no longer running / listening on its network ports.

Hm, I haven't seen this elsewhere either in my own upgrades or from
anyone else, and as you say the ssh.service logs don't give much to go
on.  Is there anything informative in /var/log/auth.log, perhaps?