network: Hide the Virtualisation bridge

There's no need for anyone to poke at the libvirt bridge that's not an
admin. It should probably be locked down more as well, but that would be
NetworkManager's business.

panels/network/cc-network-panel.c

@@ -1233,6 +1233,12 @@ add_connection (CcNetworkPanel *panel,
         if (g_strcmp0 (type, "vpn") != 0 && iface == NULL)
                 return;
 
+#ifdef HAVE_NM_UNSTABLE
+        /* Don't add the libvirtd bridge to the UI */
+        if (g_strcmp0 (nm_setting_connection_get_interface_name (s_con), "virbr0") == 0)
+                return;
+#endif
+
         g_debug ("add %s/%s remote connection: %s",
                  type, g_type_name_from_instance ((GTypeInstance*)connection),
                  nm_connection_get_path (connection));