Yes, I managed to make it show messages! It works for me when /usr/share /unattended-upgrades/unattended-upgrade-shutdown is set to: owner - daemon, group - root. I guess the group doesn't matter.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/677516 Title: No sign of updates still being installed when shutting down -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs