NPE in VpnFloatingIpHandler

2016-12-11 09:54:59,758 | ERROR | pool-49-thread-4 | VpnFloatingIpHandler | 369 - org.opendaylight.netvirt.natservice-impl - 0.3.2.SNAPSHOT | Failed to send GARP request for flo
ating ip 10.0.59.5 from interface 119222486769793:br-dpdk0-patch:424
java.lang.NullPointerException: Supplied value may not be null
at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:226)[74:com.google.guava:18.0.0]
at org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress.<init>(PhysAddress.java:53)[118:org.opendaylight.mdsal.model.ietf-yang-types-201307
15:2013.7.15.9_2-SNAPSHOT]
at org.opendaylight.netvirt.natservice.internal.VpnFloatingIpHandler.sendGarpOnInterface(VpnFloatingIpHandler.java:367)[369:org.opendaylight.netvirt.natservice-impl:0.3.2.SNAPSHOT]
at org.opendaylight.netvirt.natservice.internal.VpnFloatingIpHandler.onAddFloatingIp(VpnFloatingIpHandler.java:193)[369:org.opendaylight.netvirt.natservice-impl:0.3.2.SNAPSHOT]
at Proxy3268f8cb_fed4_424d_baa0_6aa6c8d20f9f.onAddFloatingIp(Unknown Source)[:]
at org.opendaylight.netvirt.natservice.internal.FloatingIPListener.createNATFlowEntries(FloatingIPListener.java:451)[369:org.opendaylight.netvirt.natservice-impl:0.3.2.SNAPSHOT]
at org.opendaylight.netvirt.natservice.internal.FloatingIPListener.processFloatingIPAdd(FloatingIPListener.java:368)[369:org.opendaylight.netvirt.natservice-impl:0.3.2.SNAPSHOT]
at org.opendaylight.netvirt.natservice.internal.FloatingIPListener.add(FloatingIPListener.java:105)[369:org.opendaylight.netvirt.natservice-impl:0.3.2.SNAPSHOT]
at org.opendaylight.netvirt.natservice.internal.FloatingIPListener.add(FloatingIPListener.java:54)[369:org.opendaylight.netvirt.natservice-impl:0.3.2.SNAPSHOT]
at org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase$DataTreeChangeHandler.run(AsyncDataTreeChangeListenerBase.java:136)[324:org.opendaylight.genius.mdsalutil-a
pi:0.1.2.SNAPSHOT]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[:1.8.0_111]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[:1.8.0_111]
at java.lang.Thread.run(Thread.java:745)[:1.8.0_111]