Merge "Fix binding l2-only ports by setting connectivity property"

Author: Zuul

networking_generic_switch/generic_switch_mech.py

@@ -36,6 +36,10 @@
 
 class GenericSwitchDriver(api.MechanismDriver):
 
+    @property
+    def connectivity(self):
+        return portbindings.CONNECTIVITY_L2
+
     def initialize(self):
         """Perform driver initialization.