I've also encountered this bug in Ubuntu 22.04 LTS. I'd get an error in /etc/network/if-up.d/resolved unless I change 'return' to 'exit' in the affected line. After the change I'd no longer encounter an error.
I have /bin/sh symlinked to bash as requirement to build some software. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ifupdown in Ubuntu. https://bugs.launchpad.net/bugs/2004003 Title: /etc/network/if-up.d/resolved: line 20: return: can only `return' from a function or sourced script Status in ifupdown package in Ubuntu: Confirmed Bug description: Just found the following errors in "systemctl status networking" × networking.service - Raise network interfaces Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor preset: enabled) Active: failed (Result: exit-code) since Fri 2023-01-27 12:26:29 MSK; 3min 10s ago Docs: man:interfaces(5) Process: 3963 ExecStart=/sbin/ifup -a --read-environment (code=exited, status=1/FAILURE) Main PID: 3963 (code=exited, status=1/FAILURE) CPU: 147ms янв 27 12:26:29 gerbera systemd[1]: Starting Raise network interfaces... янв 27 12:26:29 gerbera ifup[3976]: /etc/network/if-up.d/resolved: line 12: mystatedir: command not found янв 27 12:26:29 gerbera ifup[3973]: /etc/network/if-up.d/resolved: line 20: return: can only `return' from a function or sourced script янв 27 12:26:29 gerbera ifup[3969]: run-parts: /etc/network/if-up.d/resolved exited with return code 2 янв 27 12:26:29 gerbera ifup[3963]: ifup: failed to bring up lo янв 27 12:26:29 gerbera systemd[1]: networking.service: Main process exited, code=exited, status=1/FAILURE янв 27 12:26:29 gerbera systemd[1]: networking.service: Failed with result 'exit-code'. янв 27 12:26:29 gerbera systemd[1]: Failed to start Raise network interfaces. The error with mystatedir has been already reported as bug#1907878. However, patches there do not fix unexpected return statement. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/2004003/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
