Found in https://logs.opendaylight.org/releng/jenkins092/netvirt-csit-1node-openstack-newton-nodl-v2-upstream-stateful-carbon/274/archives/odl1_karaf.log.gz

2017-03-30 01:33:02,961 | ERROR | eChangeHandler-0 | AsyncDataTreeChangeListenerBase | 299 - org.opendaylight.genius.mdsalutil-api - 0.2.0.SNAPSHOT | Thread terminated due to uncaught exception: AsyncDataTreeChangeListenerBase-DataTreeChangeHandler-0
java.lang.NullPointerException
at org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator.getHashKey(DataStoreJobCoordinator.java:166)[299:org.opendaylight.genius.mdsalutil-api:0.2.0.SNAPSHOT]
at org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator.enqueueJob(DataStoreJobCoordinator.java:114)[299:org.opendaylight.genius.mdsalutil-api:0.2.0.SNAPSHOT]
at org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator.enqueueJob(DataStoreJobCoordinator.java:89)[299:org.opendaylight.genius.mdsalutil-api:0.2.0.SNAPSHOT]
at org.opendaylight.netvirt.policyservice.util.PolicyServiceUtil.updateTunnelInterfaceForUnderlayNetwork(PolicyServiceUtil.java:153)[352:org.opendaylight.netvirt.policyservice-impl:0.4.0.SNAPSHOT]
at org.opendaylight.netvirt.policyservice.listeners.TunnelStateChangeListener.handleTunnelUpdate(TunnelStateChangeListener.java:108)[352:org.opendaylight.netvirt.policyservice-impl:0.4.0.SNAPSHOT]
at org.opendaylight.netvirt.policyservice.listeners.TunnelStateChangeListener.add(TunnelStateChangeListener.java:80)[352:org.opendaylight.netvirt.policyservice-impl:0.4.0.SNAPSHOT]
at org.opendaylight.netvirt.policyservice.listeners.TunnelStateChangeListener.add(TunnelStateChangeListener.java:35)[352:org.opendaylight.netvirt.policyservice-impl:0.4.0.SNAPSHOT]
at org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase$DataTreeChangeHandler.run(AsyncDataTreeChangeListenerBase.java:155)[299:org.opendaylight.genius.mdsalutil-api:0.2.0.SNAPSHOT]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[:1.8.0_121]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[:1.8.0_121]
at java.lang.Thread.run(Thread.java:745)[:1.8.0_121]