-defnetclass scary scary trusted mcast
-defnetclass untrusted scary untrusted trusted mcast
-defnetclass trusted scary untrusted trusted safe noloop mcast
-defnetclass safe trusted safe noloop mcast
-defnetclass noloop trusted safe mcast
+defnetclass scary scary trusted vpnnat mcast
+defnetclass untrusted scary untrusted trusted mcast
+defnetclass trusted scary untrusted trusted safe noloop vpnnat mcast
+defnetclass safe trusted safe noloop vpnnat mcast
+defnetclass noloop trusted safe mcast
+defnetclass vpnnat scary trusted safe mcast