An issue with group based <policy> in dbus daemon

[Markku Savela]

> From: <qrczak at knm.org.pl>
> As far as I understand it, Unix groups are not designed to change
> dynamically. They are normally set on login.

Yes, but I was planning to misuse them, running different applications
with different sets of groups (= access rights).

I see situations where user might want to use the same UID, but start
some applications with less groups than recorded for the user in
/etc/groups.