It looks like for whatever reason systemd couldn't be reached at org.freedesktop.systemd1 on package removal... I don't think snapd package is guilty here. Did you see it again with subsequent updates of snapd?
** Changed in: snapd (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1588985 Title: package snapd 2.0.3 failed to install/upgrade: subprocess new pre- removal script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1588985/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs