Apparently, /dev/log was missing, which is created by systemd-journald-dev-log.socket. I had to do systemctl restart systemd-journald.service to fix it.
I can't reboot right now to test if this is permanent, but I'll take it for now.
Debian 9 server no sshd in auth.log
Apparently, /dev/log was missing, which is created by systemd-journald-dev-log.socket. I had to do systemctl restart systemd-journald.service to fix it.
I can't reboot right now to test if this is permanent, but I'll take it for now.