TopologyCommitHandler NullPointerException on edgeUpdate CHANGED

General info:
TopologyManager: org.opendaylight.controller.topologymanager-0.4.2-SNAPSHOT.jar
Controller: distributions-virtualization-0.2.0-20140709.101228-22-osgipackage.zip

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Steps to reproduce:
mininet$ sudo mn --topo tree,2 --controller=remote,ip=192.168.10.10,port=6633 --switch ovsk,protocols=OpenFlow13

controller$ ./run.sh -virt ovsdb -of13 -Xmx2048m -XX:MaxPermSize=512m

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2014-07-10 12:03:31.560 CEST [pool-12-thread-1] ERROR o.o.c.s.c.t.TopologyCommitHandler - Exception caught
java.lang.NullPointerException: null
at org.opendaylight.controller.topologymanager.internal.TopologyManagerImpl.edgeUpdate(TopologyManagerImpl.java:655) ~[na:na]
at org.opendaylight.controller.topologymanager.internal.TopologyManagerImpl.edgeUpdate(TopologyManagerImpl.java:706) ~[na:na]
at org.opendaylight.controller.sal.implementation.internal.Topology.edgeUpdate(Topology.java:95) ~[na:na]
at org.opendaylight.controller.sal.compatibility.topology.TopologyCommitHandler.onDataChanged(TopologyCommitHandler.java:77) ~[na:na]
at org.opendaylight.controller.md.sal.binding.impl.ForwardedBackwardsCompatibleDataBroker$BackwardsCompatibleOperationalDataChangeInvoker.onDataChanged(ForwardedBackwardsCompatibleDataBroker.java:422) [bundlefile:na]
at org.opendaylight.controller.md.sal.binding.impl.AbstractForwardedDataBroker$TranslatingDataChangeInvoker.onDataChanged(AbstractForwardedDataBroker.java:180) [bundlefile:na]
at org.opendaylight.controller.md.sal.dom.store.impl.ChangeListenerNotifyTask.run(ChangeListenerNotifyTask.java:33) [bundlefile:na]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_60]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_60]
at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:293) [bundlefile:na]
at com.google.common.util.concurrent.AbstractListeningExecutorService.submit(AbstractListeningExecutorService.java:49) [bundlefile:na]
at org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore$ThreePhaseCommitImpl.commit(InMemoryDOMDataStore.java:362) [bundlefile:na]
at org.opendaylight.controller.md.sal.dom.broker.impl.DOMDataCommitCoordinatorImpl$CommitCoordinationTask.commitAll(DOMDataCommitCoordinatorImpl.java:314) [bundlefile:na]
at org.opendaylight.controller.md.sal.dom.broker.impl.DOMDataCommitCoordinatorImpl$CommitCoordinationTask.commitBlocking(DOMDataCommitCoordinatorImpl.java:223) [bundlefile:na]
at org.opendaylight.controller.md.sal.dom.broker.impl.DOMDataCommitCoordinatorImpl$CommitCoordinationTask.call(DOMDataCommitCoordinatorImpl.java:166) [bundlefile:na]
at org.opendaylight.controller.md.sal.dom.broker.impl.DOMDataCommitCoordinatorImpl$CommitCoordinationTask.call(DOMDataCommitCoordinatorImpl.java:144) [bundlefile:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_60]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_60]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_60]
at java.lang.Thread.run(Thread.java:745) [na:1.7.0_60]