I just ran into this during do-release-upgrade from 16.04.5 to 18.04.1 as well among other issues. The suggested mv solution worked.
I ended up in a situation where some to-be-upgraded packages like network-manager-gnome were removed at first but never reinstalled, which turned out to be problematic, although I'm not certain it was this interruption's fault that apt somehow "forgot". -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1773859 Title: upgrades to 18.04 fail To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1773859/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
