A minute is really long; can you please do "journalctl -b > journal.txt" and attach journal.txt here? Please do that for both cases (connected and not).
What do you have in your /etc/network/interfaces?
A minute is really long; can you please do "journalctl -b > journal.txt" and attach journal.txt here? Please do that for both cases (connected and not).
What do you have in your /etc/network/ interfaces?