[API Replay] Do not migrate NSX-V LB ports

They are not needed on NSX-T. Avoid creating stale ports on
NSX-T segments.

Change-Id: I21b7e02c8088cdd9401e33cf5c74909d4fa5d6f9

vmware_nsx/api_replay/client.py

@@ -854,6 +854,11 @@ class ApiReplayClient(utils.PrepareObjectForMigration):
                                            {'port': port, 'e': e})
                         continue
 
+                    # Skip ports specific to NSX-V LB implementation
+                    if port['device_owner'] == 'neutron:LB':
+                        LOG.debug("Skipping port %s as it has neutron:LB "
+                                  "device owner", port['id'])
+                        continue
                     # Let the neutron dhcp-agent recreate this on its own
                     if port['device_owner'] == 'network:dhcp':
                         continue