* systemctl delete x.snapshot leaves no trace in logs (at least at default level).
-* make the coredump collector tool move itself into the user's cgroup
- so that the coredump is properly written to the user's own journal
- file.
-
* seems that when we follow symlinks to units we prefer the symlink
destination path over /etc and /usr. We should not do that. Instead
/etc should always override /run+/usr and also any symlink