2018-03-06T05:23:24,282 | INFO  | ForkJoinPool-1-worker-5 | NeutronvpnManager                | 359 - org.opendaylight.netvirt.neutronvpn-impl - 0.6.0.SNAPSHOT | Creating vpn interface VpnInterface [_key=VpnInterfaceKey [_name=650384fa-58b7-40bd-a1a2-9acecb57c04d], _name=650384fa-58b7-40bd-a1a2-9acecb57c04d, _vpnInstanceNames=[VpnInstanceNames [_associatedSubnetType=V4AndV6Subnets, _key=VpnInstanceNamesKey [_vpnName=03d023cb-2540-461f-871c-ba68a7a00332], _vpnName=03d023cb-2540-461f-871c-ba68a7a00332, augmentation=[]]], _routerInterface=false, augmentation=[Adjacencies [_adjacency=[Adjacency [_adjacencyType=PrimaryAdjacency, _ipAddress=172.24.4.9/32, _key=AdjacencyKey [_ipAddress=172.24.4.9/32], _macAddress=fa:16:3e:1d:14:49, _subnetId=Uuid [_value=152059bb-64a3-4c73-8d6e-efb793c074dc], augmentation=[]], Adjacency [_adjacencyType=PrimaryAdjacency, _ipAddress=2001:db8::c/128, _key=AdjacencyKey [_ipAddress=2001:db8::c/128], _macAddress=fa:16:3e:1d:14:49, _subnetId=Uuid [_value=03d023cb-2540-461f-871c-ba68a7a00332], augmentation=[]]]]]]
2018-03-06T05:23:24,401 | ERROR | org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.routers.attributes.routers.Router_AsyncDataTreeChangeListenerBase-DataTreeChangeHandler-0 | AsyncDataTreeChangeListenerBase  | 260 - org.opendaylight.genius.mdsalutil-api - 0.4.0.SNAPSHOT | Thread terminated due to uncaught exception: org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.routers.attributes.routers.Router_AsyncDataTreeChangeListenerBase-DataTreeChangeHandler-0
java.lang.NullPointerException: null
	at org.opendaylight.netvirt.neutronvpn.NeutronvpnNatManager.externalFixedIpsChanged(NeutronvpnNatManager.java:208) [359:org.opendaylight.netvirt.neutronvpn-impl:0.6.0.SNAPSHOT]
	at org.opendaylight.netvirt.neutronvpn.NeutronvpnNatManager.handleExternalNetworkForRouter(NeutronvpnNatManager.java:121) [359:org.opendaylight.netvirt.neutronvpn-impl:0.6.0.SNAPSHOT]
	at org.opendaylight.netvirt.neutronvpn.NeutronRouterChangeListener.update(NeutronRouterChangeListener.java:126) [359:org.opendaylight.netvirt.neutronvpn-impl:0.6.0.SNAPSHOT]
	at org.opendaylight.netvirt.neutronvpn.NeutronRouterChangeListener.update(NeutronRouterChangeListener.java:33) [359:org.opendaylight.netvirt.neutronvpn-impl:0.6.0.SNAPSHOT]
	at org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase$DataTreeChangeHandler.run(AsyncDataTreeChangeListenerBase.java:172) [260:org.opendaylight.genius.mdsalutil-api:0.4.0.SNAPSHOT]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:?]
	at java.lang.Thread.run(Thread.java:748) [?:?]