ConcurrentModificationException in SouthboundHandler on spinning multiple VMs.

From Kyle Mestery :

2014-01-09 12:35:29.453 CST [http-bio-8080-exec-1] INFO o.o.c.u.internal.UserManager - Local Authentication Succeeded for User: "admin"
2014-01-09 12:35:29.455 CST [http-bio-8080-exec-1] INFO o.o.c.u.internal.UserManager - User "admin" authorized for the following role(s): [Network-Admin]
2014-01-09 12:35:31.708 CST [pool-15-thread-1] ERROR o.o.ovsdb.neutron.SouthboundHandler - Error fetching Interface Rows for node OVS|192.168.70.138:49853
java.util.ConcurrentModificationException: null
at java.util.HashMap$HashIterator.nextEntry(HashMap.java:926) ~[na:1.7.0_45]
at java.util.HashMap$KeyIterator.next(HashMap.java:960) ~[na:1.7.0_45]
at org.opendaylight.ovsdb.neutron.SouthboundHandler.processRowUpdate(SouthboundHandler.java:196) [bundlefile:na]
at org.opendaylight.ovsdb.neutron.SouthboundHandler.access$100(SouthboundHandler.java:35) [bundlefile:na]
at org.opendaylight.ovsdb.neutron.SouthboundHandler$1.run(SouthboundHandler.java:68) [bundlefile:na]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_45]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_45]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_45]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_45]
at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]