diff -Naur NetworkManager-0.9.4.0/src/org.freedesktop.NetworkManager.conf NetworkManager-0.9.4.0-magellan/src/org.freedesktop.NetworkManager.conf
--- NetworkManager-0.9.4.0/src/org.freedesktop.NetworkManager.conf	2012-02-08 17:44:53.000000000 +0100
+++ NetworkManager-0.9.4.0-magellan/src/org.freedesktop.NetworkManager.conf	2012-04-26 00:36:33.753982523 +0200
@@ -70,6 +70,9 @@
                        send_interface="org.freedesktop.NetworkManager.VPN.Connection"/>
 
                 <allow send_destination="org.freedesktop.NetworkManager"
+                       send_interface="org.freedesktop.NetworkManager.VPN.Plugin"/>
+
+                <allow send_destination="org.freedesktop.NetworkManager"
                        send_interface="org.freedesktop.NetworkManager.AgentManager"/>
 
                 <deny send_destination="org.freedesktop.NetworkManager"
@@ -88,6 +91,12 @@
                        send_interface="org.freedesktop.NetworkManager"
                        send_member="wake"/>
         </policy>
+        <policy group="plugdev">
+                <allow send_destination="org.freedesktop.NetworkManager"/>
+
+                <deny send_destination="org.freedesktop.NetworkManager"
+                      send_interface="org.freedesktop.NetworkManager.PPP"/>
+        </policy>
         <policy context="default">
                 <deny own="org.freedesktop.NetworkManager"/>