--- a/components/openstack/neutron/files/evs/db/l3nat.py	Mon Dec 15 23:00:25 2014 -0800
+++ b/components/openstack/neutron/files/evs/db/l3nat.py	Tue Dec 16 02:40:00 2014 -0800
@@ -254,6 +254,8 @@
         proper deletion checks.
         """
         port = self.get_port(context, port_id)
+        if not port:
+            return
         if port['device_owner'] in [DEVICE_OWNER_ROUTER_INTF,
                                     DEVICE_OWNER_ROUTER_GW,
                                     DEVICE_OWNER_FLOATINGIP]: