Just a quick update on my debugging.

I've verified that the NM bearer plugin's qnetworkmanagerengine class is
receiving the 'AccessPointRemoved', is matching them correctly in it's
saved list, and is called delete on the
QNetworkManagerInterfaceAccessPoint instance.  The associated destructor
is called, and my new disconnect() method is called, which succeeds.

All that aside, the rules are still piling up, so something else is
wrong.  I took a quick look at the DBusConnection code, and it looks
like the signal matches are reference counted, so it's possible that the
count is never reaching zero, so the rule isn't actually released...  (
see qdbusconnection.cpp and qdbusintegrator.cpp ).

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https://bugs.launchpad.net/bugs/1480877

Title:
  Access points' "PropertiesChanged" dbus signals freeze UI on mobile
  devices

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