I do not believe there is any path to successfully install snapd on a 14.04 desktop system. Only one of systemd and systemd-shim can own the systemd dbus services; systemd doesn't implement them in a way that will work with upstart as pid1, which means we need systemd-shim to own them so that the desktop consumers of the services will function; and it's intrusive surgery to make systemd work without registering them.
This was a known limitation when the SRU went through, and it was allowed because the understood target for snapd on 14.04 was server/cloud environments, not desktops. Has that changed? ** Changed in: systemd (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1650389 Title: Installing snapd on 14.04.5 desktop downgrades xorg et al. Status in Snappy: Confirmed Status in systemd package in Ubuntu: Incomplete Bug description: When trying to install the latest snapd on a 14.04.5 desktop image, the installation of systemd (as a dependency of snapd) triggers a whole bunch of downgrades as systemd-shim is removed and replaced with systemd. We have to adjust the packaging such that installation of systemd does not trigger such behavior for packages depending on systemd-shim in trusty. To manage notifications about this bug go to: https://bugs.launchpad.net/snappy/+bug/1650389/+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