NPE at org.opendaylight.netvirt.elan.evpn.utils.EvpnUtils.getEvpnNameFromElan

Seen in https://logs.opendaylight.org/releng/jenkins092/netvirt-csit-1node-openstack-newton-nodl-v2-upstream-stateful-carbon/597/archives/odl1_karaf.log.gz

2017-05-21 04:33:00,157 | INFO | ChangeHandler-90 | ElanMacEntryListener | 340 - org.opendaylight.netvirt.elanmanager-impl - 0.4.0.SNAPSHOT | ElanMacEntryListener : remove macEntry KeyedInstanceIdentifier

{targetType=interface org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntry, path=[org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanForwardingTables, org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.forwarding.tables.MacTable[key=MacTableKey [_elanInstanceName=3d2f1cd5-9469-499c-baa8-45a15d820de6]], org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntry[key=MacEntryKey [_macAddress=PhysAddress [_value=fa:16:3e:2c:e1:2b]]]]}

2017-05-21 04:33:00,159 | ERROR | ChangeHandler-90 | AsyncDataTreeChangeListenerBase | 291 - org.opendaylight.genius.mdsalutil-api - 0.2.0.SNAPSHOT | Thread terminated due to uncaught exception: AsyncDataTreeChangeListenerBase-DataTreeChangeHandler-90
java.lang.NullPointerException
at org.opendaylight.netvirt.elan.evpn.utils.EvpnUtils.getEvpnNameFromElan(EvpnUtils.java:143)[340:org.opendaylight.netvirt.elanmanager-impl:0.4.0.SNAPSHOT]
at org.opendaylight.netvirt.elan.evpn.utils.EvpnUtils.getEVpnRd(EvpnUtils.java:148)[340:org.opendaylight.netvirt.elanmanager-impl:0.4.0.SNAPSHOT]
at org.opendaylight.netvirt.elan.evpn.utils.EvpnUtils.withdrawPrefix(EvpnUtils.java:222)[340:org.opendaylight.netvirt.elanmanager-impl:0.4.0.SNAPSHOT]
at org.opendaylight.netvirt.elan.evpn.utils.EvpnUtils.withdrawPrefix(EvpnUtils.java:230)[340:org.opendaylight.netvirt.elanmanager-impl:0.4.0.SNAPSHOT]
at org.opendaylight.netvirt.elan.evpn.listeners.ElanMacEntryListener.remove(ElanMacEntryListener.java:74)[340:org.opendaylight.netvirt.elanmanager-impl:0.4.0.SNAPSHOT]
at org.opendaylight.netvirt.elan.evpn.listeners.ElanMacEntryListener.remove(ElanMacEntryListener.java:28)[340:org.opendaylight.netvirt.elanmanager-impl:0.4.0.SNAPSHOT]
at org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase$DataTreeChangeHandler.run(AsyncDataTreeChangeListenerBase.java:149)[291:org.opendaylight.genius.mdsalutil-api:0.2.0.SNAPSHOT]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[:1.8.0_121]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[:1.8.0_121]
at java.lang.Thread.run(Thread.java:745)[:1.8.0_121]