I think systemd-shim is probably doing this on your system because some dbus client told it to. I don't know what that might be.
I am no expert on any of this kind of dbus desktop stuff. But maybe you can find some hints with a dbus monitoring tool of some kind ? Good luck. Ian. -- Ian Jackson <ijack...@chiark.greenend.org.uk> These opinions are my own. If I emailed you from an address @fyvzl.net or @evade.org.uk, that is a private address which bypasses my fierce spamfilter.