2016-12-14 13:27:35,741 | INFO | ult-dispatcher-5 | OvsdbConnectionService | 247 - org.opendaylight.ovsdb.library - 1.3.2.SNAPSHOT | startOvsdbManager: Starting
2016-12-14 13:27:35,769 | INFO | ult-dispatcher-6 | OvsdbConnectionService | 247 - org.opendaylight.ovsdb.library - 1.3.2.SNAPSHOT | registerConnectionListener: registering OvsdbConnectionManager
2016-12-14 13:27:35,969 | WARN | lt-dispatcher-21 | ShardDataTree | 176 - org.opendaylight.controller.sal-distributed-datastore - 1.4.2.SNAPSHOT | member-1-shard-topology-config: Store Tx member-1-datastore-config-fe-0-txn-3: Conflicting modification for path /(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)network-topology.
2016-12-14 13:27:35,972 | ERROR | ult-dispatcher-6 | LocalThreePhaseCommitCohort | 176 - org.opendaylight.controller.sal-distributed-datastore - 1.4.2.SNAPSHOT | Failed to prepare transaction member-1-datastore-config-fe-0-txn-3 on backend
OptimisticLockFailedException

{message=Optimistic lock failed., errorList=[RpcError [message=Optimistic lock failed., severity=ERROR, errorType=APPLICATION, tag=resource-denied, applicationTag=null, info=null, cause=org.opendaylight.yangtools.yang.data.api.schema.tree.ConflictingModificationAppliedException: Node was created by other transaction.]]}

at org.opendaylight.controller.cluster.datastore.ShardDataTree.processNextTransaction(ShardDataTree.java:532)[176:org.opendaylight.controller.sal-distributed-datastore:1.4.2.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.ShardDataTree.finishCommit(ShardDataTree.java:623)[176:org.opendaylight.controller.sal-distributed-datastore:1.4.2.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.ShardDataTree.payloadReplicationComplete(ShardDataTree.java:358)[176:org.opendaylight.controller.sal-distributed-datastore:1.4.2.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.ShardDataTree.applyReplicatedPayload(ShardDataTree.java:338)[176:org.opendaylight.controller.sal-distributed-datastore:1.4.2.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.Shard.applyState(Shard.java:571)[176:org.opendaylight.controller.sal-distributed-datastore:1.4.2.SNAPSHOT]
at org.opendaylight.controller.cluster.raft.RaftActor.handleCommand(RaftActor.java:240)[171:org.opendaylight.controller.sal-akka-raft:1.4.2.SNAPSHOT]
at org.opendaylight.controller.cluster.common.actor.AbstractUntypedPersistentActor.onReceiveCommand(AbstractUntypedPersistentActor.java:29)[170:org.opendaylight.controller.sal-clustering-commons:1.4.2.SNAPSHOT]
at akka.persistence.UntypedPersistentActor.onReceive(PersistentActor.scala:170)[164:com.typesafe.akka.persistence:2.4.7]
at org.opendaylight.controller.cluster.common.actor.MeteringBehavior.apply(MeteringBehavior.java:97)[170:org.opendaylight.controller.sal-clustering-commons:1.4.2.SNAPSHOT]
at akka.actor.ActorCell$$anonfun$become$1.applyOrElse(ActorCell.scala:544)[158:com.typesafe.akka.actor:2.4.7]
at akka.actor.Actor$class.aroundReceive(Actor.scala:484)[158:com.typesafe.akka.actor:2.4.7]
at akka.persistence.UntypedPersistentActor.akka$persistence$Eventsourced$$super$aroundReceive(PersistentActor.scala:168)[164:com.typesafe.akka.persistence:2.4.7]
at akka.persistence.Eventsourced$$anon$1.stateReceive(Eventsourced.scala:633)[164:com.typesafe.akka.persistence:2.4.7]
at akka.persistence.Eventsourced$class.aroundReceive(Eventsourced.scala:179)[164:com.typesafe.akka.persistence:2.4.7]
at akka.persistence.UntypedPersistentActor.aroundReceive(PersistentActor.scala:168)[164:com.typesafe.akka.persistence:2.4.7]
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526)[158:com.typesafe.akka.actor:2.4.7]
at akka.actor.ActorCell.invoke(ActorCell.scala:495)[158:com.typesafe.akka.actor:2.4.7]
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)[158:com.typesafe.akka.actor:2.4.7]
at akka.dispatch.Mailbox.run(Mailbox.scala:224)[158:com.typesafe.akka.actor:2.4.7]
at akka.dispatch.Mailbox.exec(Mailbox.scala:234)[158:com.typesafe.akka.actor:2.4.7]
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)[154:org.scala-lang.scala-library:2.11.8.v20160304-115712-1706a37eb8]
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)[154:org.scala-lang.scala-library:2.11.8.v20160304-115712-1706a37eb8]
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)[154:org.scala-lang.scala-library:2.11.8.v20160304-115712-1706a37eb8]
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)[154:org.scala-lang.scala-library:2.11.8.v20160304-115712-1706a37eb8]
Caused by: org.opendaylight.yangtools.yang.data.api.schema.tree.ConflictingModificationAppliedException: Node was created by other transaction.
at org.opendaylight.yangtools.yang.data.impl.schema.tree.SchemaAwareApplyOperation.checkWriteApplicable(SchemaAwareApplyOperation.java:174)[80:org.opendaylight.yangtools.yang-data-impl:1.0.2.SNAPSHOT]
at org.opendaylight.yangtools.yang.data.impl.schema.tree.SchemaAwareApplyOperation.checkApplicable(SchemaAwareApplyOperation.java:128)[80:org.opendaylight.yangtools.yang-data-impl:1.0.2.SNAPSHOT]
at org.opendaylight.yangtools.yang.data.impl.schema.tree.StructuralContainerModificationStrategy.checkApplicable(StructuralContainerModificationStrategy.java:99)[80:org.opendaylight.yangtools.yang-data-impl:1.0.2.SNAPSHOT]
at org.o