Alkis, unfortunately rsyslog stops too early (before stopping ifup@.service), the log shows no teardown of network at all. Not a surprise with remote logging :-)
Is it possible for you to mount a local disk on /var/log/, enable persistent journal (sudo install -d -g systemd-journal /var/log/journal), reboot, and attach the previous journal with "sudo journalctl -b -1 > /tmp/journal.txt"?
Alkis, unfortunately rsyslog stops too early (before stopping ifup@.service), the log shows no teardown of network at all. Not a surprise with remote logging :-)
Is it possible for you to mount a local disk on /var/log/, enable persistent journal (sudo install -d -g systemd-journal /var/log/journal), reboot, and attach the previous journal with "sudo journalctl -b -1 > /tmp/journal.txt"?