ELAN: ModifiedNodeDoesNotExistException and OptimisticLockFailedException in CSIT karaf logs

2017-02-28 20:18:50,513 | WARN | nPool-1-worker-1 | DataStoreJobCoordinator | 328 - org.opendaylight.genius.mdsalutil-api - 0.2.0.SNAPSHOT | Job: JobEntry{key='4118b576-9e45-4ba0-be17-0b660919df40', mainWorker=InterfaceAddWorkerOnElanInterface [key=4118b576-9e45-4ba0-be17-0b660919df40, elanInterface=ElanInterface{getElanInstanceName=f9b2d9e7-1001-4606-857b-8b2a6c9e7979, getName=4118b576-9e45-4ba0-be17-0b660919df40, getStaticMacEntries=[PhysAddress [_value=fa:16:3e:a1:45:18]], augmentations={}}, elanInstance=ElanInstance{getElanInstanceName=f9b2d9e7-1001-4606-857b-8b2a6c9e7979, getElanSegments=[], getElanTag=5002, getMacTimeout=300, getSegmentType=class org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.SegmentTypeVxlan, getSegmentationId=24, augmentations={}}, interfaceInfo=org.opendaylight.genius.interfacemanager.globals.VlanInterfaceInfo@733bde99], rollbackWorker=null, retryCount=6, futures=null} failed
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.lambda$processNextPendingTransaction$0(ShardDataTree.java:682)[220:org.opendaylight.controller.sal-distributed-datastore:1.5.0.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.ShardDataTree.processNextPending(ShardDataTree.java:720)[220:org.opendaylight.controller.sal-distributed-datastore:1.5.0.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.ShardDataTree.processNextPendingTransaction(ShardDataTree.java:667)[220:org.opendaylight.controller.sal-distributed-datastore:1.5.0.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.ShardDataTree.startCanCommit(ShardDataTree.java:746)[220:org.opendaylight.controller.sal-distributed-datastore:1.5.0.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.SimpleShardDataTreeCohort.canCommit(SimpleShardDataTreeCohort.java:76)[220:org.opendaylight.controller.sal-distributed-datastore:1.5.0.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.CohortEntry.canCommit(CohortEntry.java:97)[220:org.opendaylight.controller.sal-distributed-datastore:1.5.0.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.ShardCommitCoordinator.handleCanCommit(ShardCommitCoordinator.java:236)[220:org.opendaylight.controller.sal-distributed-datastore:1.5.0.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.ShardCommitCoordinator.handleReadyLocalTransaction(ShardCommitCoordinator.java:200)[220:org.opendaylight.controller.sal-distributed-datastore:1.5.0.SNAPSHOT]

The karaf log location: https://logs.opendaylight.org/releng/jenkins092/netvirt-csit-1node-openstack-newton-nodl-v2-gate-stateful-carbon/248/archives/odl1_karaf.log.gz