ERROR Log Observations - CSIT (br-ex)

There are no external network tests in CSIT, yet there is a recurring ERROR log releated to external interface and br-ex.

Reference Log:
https://jenkins.opendaylight.org/releng/view/netvirt/job/netvirt-csit-1node-openstack-mitaka-openstack-beryllium/59/artifact/odl1_karaf.log.tar.xz

Error Message:
2016-06-17 08:19:31,943 | ERROR | ntDispatcherImpl | BridgeConfigurationManagerImpl | 259 - org.opendaylight.netvirt.openstack.net-virt - 1.2.4.SNAPSHOT | External inte
rface not found for Node: Node{getNodeId=Uri [_value=ovsdb://uuid/3c6cee57-83f7-41a6-890c-619574726398/bridge/br-ex], getTerminationPoint=[TerminationPoint{getTpId=Uri [_
value=br-ex], augmentations={interface org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation=OvsdbTermination
PointAugmentation

{getInterfaceType=class org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.InterfaceTypeInternal, getInterfaceUuid=Uuid [_v alue=82965dfa-b27e-4220-82d2-b88670507410], getName=br-ex, getOfport=65534, getPortUuid=Uuid [_value=07267122-851d-48b5-81f7-ffc9159cf235]}

}}, TerminationPoint{getTpId=Ur
i [_value=patch-int], augmentations={interface org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation=OvsdbTer
minationPointAugmentation{getInterfaceType=class org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.InterfaceTypePatch, getInterfaceUuid=Uui
d [_value=031e8599-fe0e-410f-ae4f-7a3e58b2489b], getName=patch-int, getOfport=1, getOptions=[Options{getOption=peer, getValue=patch-ext, augmentations={}}], getPortExtern
alIds=[PortExternalIds{getExternalIdKey=opendaylight-iid, getExternalIdValue=/network-topology:network-topology/network-topology:topology[network-topology:topology-id='ov
sdb:1']/network-topology:node[network-topology:node-id='ovsdb://uuid/3c6cee57-83f7-41a6-890c-619574726398/bridge/br-ex']/network-topology:termination-point[network-topolo
gy:tp-id='patch-int'], augmentations={}}], getPortUuid=Uuid [_value=7378568b-f341-4beb-98d0-f3b589b6ec46]}}}], augmentations={interface org.opendaylight.yang.gen.v1.urn.o
pendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation=OvsdbBridgeAugmentation{getBridgeExternalIds=[BridgeExternalIds{getBridgeExternalIdKey=opendaylight
-iid, getBridgeExternalIdValue=/network-topology:network-topology/network-topology:topology[network-topology:topology-id='ovsdb:1']/network-topology:node[network-topology
:node-id='ovsdb://uuid/3c6cee57-83f7-41a6-890c-619574726398/bridge/br-ex'], augmentations={}}], getBridgeName=OvsdbBridgeName [_value=br-ex], getBridgeOtherConfigs=[Bridg
eOtherConfigs{getBridgeOtherConfigKey=disable-in-band, getBridgeOtherConfigValue=true, augmentations={}}], getBridgeUuid=Uuid [_value=2d1c20d4-f615-4ed5-ae3a-162ed27b1118
], getControllerEntry=[ControllerEntry{getControllerUuid=Uuid [_value=cac8a75a-d9b0-486b-977b-49fd9e21cb6f], getTarget=Uri [_value=tcp:10.30.11.139:6653], isIsConnected=t
rue, augmentations={}}, ControllerEntry{getControllerUuid=Uuid [_value=628878e7-e41b-4283-be98-985fe96d03d6], getTarget=Uri [_value=tcp:10.30.11.194:6653], isIsConnected=
true, augmentations={}}, ControllerEntry{getControllerUuid=Uuid [_value=372a7acf-b50d-472d-ad48-13c90da1eca8], getTarget=Uri [_value=tcp:10.30.11.141:6653], isIsConnected
=true, augmentations={}}], getDatapathId=DatapathId [_value=00:00:d6:20:1c:2d:d5:4e], getDatapathType=class org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.ya
ng.ovsdb.rev150105.DatapathTypeSystem, getFailMode=class org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbFailModeSecure, getManagedB
y=OvsdbNodeRef [_value=KeyedInstanceIdentifier

{targetType=interface org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.to pology.Node, path=[org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology, org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns. yang.network.topology.rev131021.network.topology.Topology[key=TopologyKey [_topologyId=Uri [_value=ovsdb:1]]], org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.net work.topology.rev131021.network.topology.topology.Node[key=NodeKey [_nodeId=Uri [_value=ovsdb://uuid/3c6cee57-83f7-41a6-890c-619574726398]]]]}

], getProtocolEntry=[Protoco
lEntry{getProtocol=class org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeProtocolOpenflow13, augmentations={}}]}}}, Network br
-ex