dbus NetworkManager errors in log - what does it mean?

[Dr. Michael J. Chudobiak]

Can anyone offer some insight on what this endless-repeating log snippet 
means?


Jan 16 09:23:05 potato dbus-daemon: dbus[870]: [system] Rejected send 
message, 3 matched rules; type="method_call", sender=":1.3726" (uid=42 
pid=19267 comm="gnome-shell --mode=gdm ") 
interface="org.freedesktop.NetworkManager" member="GetPermissions" error 
name="(unset)" requested_reply="0" 
destination="org.freedesktop.NetworkManager" (uid=0 pid=21486 
comm="/usr/sbin/NetworkManager --no-daemon ")


- Mike