After this operation, 33.0 MB disk space will be freed. Do you want to continue? [Y/n] y (Reading database ... 329734 files and directories currently installed.) Removing snapd (2.21~14.04) ... Failed to stop snapd.autoimport.service: Unit snapd.autoimport.service not loaded. dpkg: error processing package snapd (--remove): subprocess installed pre-removal script returned error exit status 5 Failed to get unit file state for snapd.refresh.timer: No such file or directory snapd.refresh.timer is a disabled or a static unit, not starting it. Failed to get unit file state for snapd.autoimport.service: No such file or directory snapd.autoimport.service is a disabled or a static unit, not starting it. Errors were encountered while processing: snapd E: Sub-process /usr/bin/dpkg returned an error code (1)
exit 0 after shebang to
Next remove a package
dpkg --purge --force-all snapd.
Check you pkg sources for trusty
rgrep 'xenial' /etc/apt, and remove all sources that my be correspond to inproper version of snapd.
apt-get update, and upgrade a system to be in consistent state.