In the end, aptitude preformed some kind of recovery and apparently successfully installed 5.4.0.42111-2ubuntu1.2? I still got the apport crash report of a failed upgrade though.
-- package likewise-open 5.4.0.42111-2ubuntu1.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 https://bugs.launchpad.net/bugs/611589 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs