pingall on Mininet with 15 nodes cause the controller to fail with many exceptions

When attaching a mininet with 15 nodes and trying to do a pingall on the mininet, all pings fail, and the following exceptions are observed at the controller:

2014-02-09 15:42:50.817 PST [md-sal-binding-commit-76] ERROR o.o.c.m.s.c.i.service.TwoPhaseCommit - Transaction: BA-153773 Finish Commit failed
java.lang.IllegalArgumentException: Session for the cookie is invalid. Reason: the switch has been recently diconnected OR inventory provides outdated information.
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.getConnectionAdapter(MessageDispatchServiceImpl.java:92) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.flowMod(MessageDispatchServiceImpl.java:124) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.sal.ModelDrivenSwitchImpl.removeFlow(ModelDrivenSwitchImpl.java:403) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$Router.removeFlow(SalFlowService$$Broker$Router.java) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$DirectProxy.removeFlow(SalFlowService$$Broker$DirectProxy.java) ~[na:na]
at org.opendaylight.controller.frm.flow.FlowTransaction.remove(FlowTransaction.java:65) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.callRpcs(AbstractTransaction.java:79) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.finish(AbstractTransaction.java:35) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:101) [bundlefile:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:38) [bundlefile:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_51]
at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]
2014-02-09 15:42:50.827 PST [Thread-937] ERROR o.o.c.s.c.FlowProgrammerAdapter - Execution exception occured during processing flow
java.lang.IllegalArgumentException: Session for the cookie is invalid. Reason: the switch has been recently diconnected OR inventory provides outdated information.
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.getConnectionAdapter(MessageDispatchServiceImpl.java:92) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.flowMod(MessageDispatchServiceImpl.java:124) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.sal.ModelDrivenSwitchImpl.addFlow(ModelDrivenSwitchImpl.java:248) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$Router.addFlow(SalFlowService$$Broker$Router.java) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$DirectProxy.addFlow(SalFlowService$$Broker$DirectProxy.java) ~[na:na]
at org.opendaylight.controller.frm.flow.FlowTransaction.add(FlowTransaction.java:121) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.rollbackRpcs(AbstractTransaction.java:119) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.rollback(AbstractTransaction.java:45) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.rollback(TwoPhaseCommit.java:154) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:111) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:38) ~[na:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ~[na:1.7.0_51]
at java.lang.Thread.run(Thread.java:744) ~[na:1.7.0_51]
2014-02-09 15:42:50.837 PST [md-sal-binding-commit-75] ERROR o.o.c.m.s.c.i.service.TwoPhaseCommit - Transaction: BA-153798 Finish Commit failed
java.lang.IllegalArgumentException: Session for the cookie is invalid. Reason: the switch has been recently diconnected OR inventory provides outdated information.
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.getConnectionAdapter(MessageDispatchServiceImpl.java:92) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.flowMod(MessageDispatchServiceImpl.java:124) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.sal.ModelDrivenSwitchImpl.addFlow(ModelDrivenSwitchImpl.java:248) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$Router.addFlow(SalFlowService$$Broker$Router.java) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$DirectProxy.addFlow(SalFlowService$$Broker$DirectProxy.java) ~[na:na]
at org.opendaylight.controller.frm.flow.FlowTransaction.add(FlowTransaction.java:121) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.callRpcs(AbstractTransaction.java:63) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.finish(AbstractTransaction.java:35) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:101) [bundlefile:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:38) [bundlefile:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_51]
at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]
2014-02-09 15:42:50.851 PST [Thread-937] ERROR o.o.c.s.c.FlowProgrammerAdapter - Execution exception occured during processing flow
java.lang.IllegalArgumentException: Session for the cookie is invalid. Reason: the switch has been recently diconnected OR inventory provides outdated information.
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.getConnectionAdapter(MessageDispatchServiceImpl.java:92) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.flowMod(MessageDispatchServiceImpl.java:124) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.sal.ModelDrivenSwitchImpl.removeFlow(ModelDrivenSwitchImpl.java:403) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$Router.removeFlow(SalFlowService$$Broker$Router.java) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$DirectProxy.removeFlow(SalFlowService$$Broker$DirectProxy.java) ~[na:na]
at org.opendaylight.controller.frm.flow.FlowTransaction.remove(FlowTransaction.java:65) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.rollbackRpcs(AbstractTransaction.java:103) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.rollback(AbstractTransaction.java:45) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.rollback(TwoPhaseCommit.java:154) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:111) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:38) ~[na:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ~[na:1.7.0_51]
at java.lang.Thread.run(Thread.java:744) ~[na:1.7.0_51]
2014-02-09 15:42:50.851 PST [Thread-937] ERROR o.o.c.s.s.i.SimpleForwardingImpl - Failed to install policy: 10.0.0.1/32 (Internal Error)
2014-02-09 15:42:50.878 PST [md-sal-binding-commit-53] ERROR o.o.c.m.s.c.i.service.TwoPhaseCommit - Transaction: BA-153834 Finish Commit failed
java.lang.IllegalArgumentException: Session for the cookie is invalid. Reason: the switch has been recently diconnected OR inventory provides outdated information.
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.getConnectionAdapter(MessageDispatchServiceImpl.java:92) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.flowMod(MessageDispatchServiceImpl.java:124) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.sal.ModelDrivenSwitchImpl.removeFlow(ModelDrivenSwitchImpl.java:403) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$Router.removeFlow(SalFlowService$$Broker$Router.java) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$DirectProxy.removeFlow(SalFlowService$$Broker$DirectProxy.java) ~[na:na]
at org.opendaylight.controller.frm.flow.FlowTransaction.remove(FlowTransaction.java:65) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.callRpcs(AbstractTransaction.java:79) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.finish(AbstractTransaction.java:35) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:101) [bundlefile:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:38) [bundlefile:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_51]
at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]
2014-02-09 15:42:50.890 PST [Thread-942] ERROR o.o.c.s.c.FlowProgrammerAdapter - Execution exception occured during processing flow
java.lang.IllegalArgumentException: Session for the cookie is invalid. Reason: the switch has been recently diconnected OR inventory provides outdated information.
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.getConnectionAdapter(MessageDispatchServiceImpl.java:92) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.flowMod(MessageDispatchServiceImpl.java:124) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.sal.ModelDrivenSwitchImpl.addFlow(ModelDrivenSwitchImpl.java:248) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$Router.addFlow(SalFlowService$$Broker$Router.java) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$DirectProxy.addFlow(SalFlowService$$Broker$DirectProxy.java) ~[na:na]
at org.opendaylight.controller.frm.flow.FlowTransaction.add(FlowTransaction.java:121) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.rollbackRpcs(AbstractTransaction.java:119) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.rollback(AbstractTransaction.java:45) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.rollback(TwoPhaseCommit.java:154) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:111) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:38) ~[na:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ~[na:1.7.0_51]
at java.lang.Thread.run(Thread.java:744) ~[na:1.7.0_51]
2014-02-09 15:42:50.905 PST [md-sal-binding-commit-75] ERROR o.o.c.m.s.c.i.service.TwoPhaseCommit - Transaction: BA-153860 Finish Commit failed
java.lang.IllegalArgumentException: Session for the cookie is invalid. Reason: the switch has been recently diconnected OR inventory provides outdated information.
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.getConnectionAdapter(MessageDispatchServiceImpl.java:92) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.flowMod(MessageDispatchServiceImpl.java:124) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.sal.ModelDrivenSwitchImpl.addFlow(ModelDrivenSwitchImpl.java:248) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$Router.addFlow(SalFlowService$$Broker$Router.java) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$DirectProxy.addFlow(SalFlowService$$Broker$DirectProxy.java) ~[na:na]
at org.opendaylight.controller.frm.flow.FlowTransaction.add(FlowTransaction.java:121) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.callRpcs(AbstractTransaction.java:63) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.finish(AbstractTransaction.java:35) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:101) [bundlefile:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:38) [bundlefile:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_51]
at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]
2014-02-09 15:42:50.917 PST [Thread-942] ERROR o.o.c.s.c.FlowProgrammerAdapter - Execution exception occured during processing flow
java.lang.IllegalArgumentException: Session for the cookie is invalid. Reason: the switch has been recently diconnected OR inventory provides outdated information.
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.getConnectionAdapter(MessageDispatchServiceImpl.java:92) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.session.MessageDispatchServiceImpl.flowMod(MessageDispatchServiceImpl.java:124) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.sal.ModelDrivenSwitchImpl.removeFlow(ModelDrivenSwitchImpl.java:403) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$Router.removeFlow(SalFlowService$$Broker$Router.java) ~[na:na]
at org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService$$Broker$DirectProxy.removeFlow(SalFlowService$$Broker$DirectProxy.java) ~[na:na]
at org.opendaylight.controller.frm.flow.FlowTransaction.remove(FlowTransaction.java:65) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.rollbackRpcs(AbstractTransaction.java:103) ~[na:na]
at org.opendaylight.controller.frm.AbstractTransaction.rollback(AbstractTransaction.java:45) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.rollback(TwoPhaseCommit.java:154) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:111) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:38) ~[na:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ~[na:1.7.0_51]
at java.lang.Thread.run(Thread.java:744) ~[na:1.7.0_51]
2014-02-09 15:42:50.917 PST [Thread-942] ERROR o.o.c.s.s.i.SimpleForwardingImpl - Failed to install policy: 10.0.0.1/32 (Internal Error)
2014-02-09 15:42:51.028 PST [Thread-4628] ERROR o.o.c.h.internal.HostTracker - Exception on new host notification
java.lang.IllegalArgumentException: adflow is unknown
at org.opendaylight.controller.sal.compatibility.FlowProgrammerAdapter.internalRemoveFlowAsync(FlowProgrammerAdapter.java:301) ~[na:na]
at org.opendaylight.controller.sal.compatibility.FlowProgrammerAdapter.removeFlow(FlowProgrammerAdapter.java:136) ~[na:na]
at org.opendaylight.controller.sal.implementation.internal.FlowProgrammerService.removeFlow(FlowProgrammerService.java:197) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.removeEntryInternal(ForwardingRulesManager.java:705) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.removeEntry(ForwardingRulesManager.java:648) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.uninstallFlowEntry(ForwardingRulesManager.java:981) ~[na:na]
at org.opendaylight.controller.samples.simpleforwarding.internal.SimpleForwardingImpl.uninstallPerHostRules(SimpleForwardingImpl.java:686) ~[na:na]
at org.opendaylight.controller.samples.simpleforwarding.internal.SimpleForwardingImpl.notifyHTClientHostRemoved(SimpleForwardingImpl.java:838) ~[na:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.notifyHostLearnedOrRemoved(HostTracker.java:574) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.replaceHost(HostTracker.java:486) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.access$200(HostTracker.java:103) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker$NotifyHostThread.run(HostTracker.java:528) [bundlefile:na]
2014-02-09 15:42:51.117 PST [Thread-14] ERROR o.o.o.o.m.core.ErrorHandlerQueueImpl - IN THREAD: pool-109-thread-1; session:null -> rpcError:null;
java.lang.Exception: rpcError:null;
at org.opendaylight.openflowplugin.openflow.md.core.RpcUtil.smokeRpc(RpcUtil.java:34) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.HandshakeManagerImpl.sendHelloMessage(HandshakeManagerImpl.java:277) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.HandshakeManagerImpl.handleLowerVersionProposal(HandshakeManagerImpl.java:152) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.HandshakeManagerImpl.handleStepByStepVersionNegotiation(HandshakeManagerImpl.java:138) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.HandshakeManagerImpl.shake(HandshakeManagerImpl.java:103) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.HandshakeStepWrapper.run(HandshakeStepWrapper.java:47) ~[na:na]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ~[na:1.7.0_51]
at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]
2014-02-09 15:42:51.122 PST [Thread-14] ERROR o.o.o.o.m.core.ErrorHandlerQueueImpl - IN THREAD: pool-110-thread-1; session:null -> rpcError:null;
java.lang.Exception: rpcError:null;
at org.opendaylight.openflowplugin.openflow.md.core.RpcUtil.smokeRpc(RpcUtil.java:34) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.HandshakeManagerImpl.sendHelloMessage(HandshakeManagerImpl.java:277) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.HandshakeManagerImpl.handleStepByStepVersionNegotiation(HandshakeManagerImpl.java:124) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.HandshakeManagerImpl.shake(HandshakeManagerImpl.java:103) ~[na:na]
at org.opendaylight.openflowplugin.openflow.md.core.HandshakeStepWrapper.run(HandshakeStepWrapper.java:47) ~[na:na]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ~[na:1.7.0_51]
at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]
2014-02-09 15:42:51.262 PST [Thread-3923] ERROR o.o.c.h.internal.HostTracker - Exception on new host notification
java.lang.IllegalArgumentException: adflow is unknown
at org.opendaylight.controller.sal.compatibility.FlowProgrammerAdapter.internalRemoveFlowAsync(FlowProgrammerAdapter.java:301) ~[na:na]
at org.opendaylight.controller.sal.compatibility.FlowProgrammerAdapter.removeFlow(FlowProgrammerAdapter.java:136) ~[na:na]
at org.opendaylight.controller.sal.implementation.internal.FlowProgrammerService.removeFlow(FlowProgrammerService.java:197) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.removeEntryInternal(ForwardingRulesManager.java:705) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.removeEntry(ForwardingRulesManager.java:648) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.uninstallFlowEntry(ForwardingRulesManager.java:981) ~[na:na]
at org.opendaylight.controller.samples.simpleforwarding.internal.SimpleForwardingImpl.uninstallPerHostRules(SimpleForwardingImpl.java:686) ~[na:na]
at org.opendaylight.controller.samples.simpleforwarding.internal.SimpleForwardingImpl.notifyHTClientHostRemoved(SimpleForwardingImpl.java:838) ~[na:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.notifyHostLearnedOrRemoved(HostTracker.java:574) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.replaceHost(HostTracker.java:486) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.access$200(HostTracker.java:103) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker$NotifyHostThread.run(HostTracker.java:528) [bundlefile:na]
2014-02-09 15:42:51.307 PST [Thread-3645] ERROR o.o.c.h.internal.HostTracker - Exception on new host notification
java.lang.IllegalArgumentException: adflow is unknown
at org.opendaylight.controller.sal.compatibility.FlowProgrammerAdapter.internalRemoveFlowAsync(FlowProgrammerAdapter.java:301) ~[na:na]
at org.opendaylight.controller.sal.compatibility.FlowProgrammerAdapter.removeFlow(FlowProgrammerAdapter.java:136) ~[na:na]
at org.opendaylight.controller.sal.implementation.internal.FlowProgrammerService.removeFlow(FlowProgrammerService.java:197) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.removeEntryInternal(ForwardingRulesManager.java:705) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.removeEntry(ForwardingRulesManager.java:648) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.uninstallFlowEntry(ForwardingRulesManager.java:981) ~[na:na]
at org.opendaylight.controller.samples.simpleforwarding.internal.SimpleForwardingImpl.uninstallPerHostRules(SimpleForwardingImpl.java:686) ~[na:na]
at org.opendaylight.controller.samples.simpleforwarding.internal.SimpleForwardingImpl.notifyHTClientHostRemoved(SimpleForwardingImpl.java:838) ~[na:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.notifyHostLearnedOrRemoved(HostTracker.java:574) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.replaceHost(HostTracker.java:486) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.access$200(HostTracker.java:103) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker$NotifyHostThread.run(HostTracker.java:528) [bundlefile:na]
2014-02-09 15:42:51.795 PST [Thread-3153] ERROR o.o.c.h.internal.HostTracker - Exception on new host notification
java.lang.IllegalArgumentException: adflow is unknown
at org.opendaylight.controller.sal.compatibility.FlowProgrammerAdapter.internalRemoveFlowAsync(FlowProgrammerAdapter.java:301) ~[na:na]
at org.opendaylight.controller.sal.compatibility.FlowProgrammerAdapter.removeFlow(FlowProgrammerAdapter.java:136) ~[na:na]
at org.opendaylight.controller.sal.implementation.internal.FlowProgrammerService.removeFlow(FlowProgrammerService.java:197) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.removeEntryInternal(ForwardingRulesManager.java:705) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.removeEntry(ForwardingRulesManager.java:648) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.uninstallFlowEntry(ForwardingRulesManager.java:981) ~[na:na]
at org.opendaylight.controller.samples.simpleforwarding.internal.SimpleForwardingImpl.uninstallPerHostRules(SimpleForwardingImpl.java:686) ~[na:na]
at org.opendaylight.controller.samples.simpleforwarding.internal.SimpleForwardingImpl.notifyHTClientHostRemoved(SimpleForwardingImpl.java:838) ~[na:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.notifyHostLearnedOrRemoved(HostTracker.java:574) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.replaceHost(HostTracker.java:486) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.access$200(HostTracker.java:103) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker$NotifyHostThread.run(HostTracker.java:528) [bundlefile:na]
2014-02-09 15:42:51.891 PST [Thread-2612] ERROR o.o.c.h.internal.HostTracker - Exception on new host notification
java.lang.IllegalArgumentException: adflow is unknown
at org.opendaylight.controller.sal.compatibility.FlowProgrammerAdapter.internalRemoveFlowAsync(FlowProgrammerAdapter.java:301) ~[na:na]
at org.opendaylight.controller.sal.compatibility.FlowProgrammerAdapter.removeFlow(FlowProgrammerAdapter.java:136) ~[na:na]
at org.opendaylight.controller.sal.implementation.internal.FlowProgrammerService.removeFlow(FlowProgrammerService.java:197) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.removeEntryInternal(ForwardingRulesManager.java:705) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.removeEntry(ForwardingRulesManager.java:648) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.uninstallFlowEntry(ForwardingRulesManager.java:981) ~[na:na]
at org.opendaylight.controller.samples.simpleforwarding.internal.SimpleForwardingImpl.uninstallPerHostRules(SimpleForwardingImpl.java:686) ~[na:na]
at org.opendaylight.controller.samples.simpleforwarding.internal.SimpleForwardingImpl.notifyHTClientHostRemoved(SimpleForwardingImpl.java:838) ~[na:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.notifyHostLearnedOrRemoved(HostTracker.java:574) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.replaceHost(HostTracker.java:486) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.access$200(HostTracker.java:103) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker$NotifyHostThread.run(HostTracker.java:528) [bundlefile:na]
2014-02-09 15:42:51.904 PST [Thread-2606] ERROR o.o.c.h.internal.HostTracker - Exception on new host notification

2014-02-09 15:42:53.114 PST [Thread-2262] ERROR o.o.c.h.internal.HostTracker - Exception on new host notification
java.lang.IllegalArgumentException: adflow is unknown
at org.opendaylight.controller.sal.compatibility.FlowProgrammerAdapter.internalRemoveFlowAsync(FlowProgrammerAdapter.java:301) ~[na:na]
at org.opendaylight.controller.sal.compatibility.FlowProgrammerAdapter.removeFlow(FlowProgrammerAdapter.java:136) ~[na:na]
at org.opendaylight.controller.sal.implementation.internal.FlowProgrammerService.removeFlow(FlowProgrammerService.java:197) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.removeEntryInternal(ForwardingRulesManager.java:705) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.removeEntry(ForwardingRulesManager.java:648) ~[na:na]
at org.opendaylight.controller.forwardingrulesmanager.internal.ForwardingRulesManager.uninstallFlowEntry(ForwardingRulesManager.java:981) ~[na:na]
at org.opendaylight.controller.samples.simpleforwarding.internal.SimpleForwardingImpl.uninstallPerHostRules(SimpleForwardingImpl.java:686) ~[na:na]
at org.opendaylight.controller.samples.simpleforwarding.internal.SimpleForwardingImpl.notifyHTClientHostRemoved(SimpleForwardingImpl.java:838) ~[na:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.notifyHostLearnedOrRemoved(HostTracker.java:574) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.replaceHost(HostTracker.java:486) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker.access$200(HostTracker.java:103) [bundlefile:na]
at org.opendaylight.controller.hosttracker.internal.HostTracker$NotifyHostThread.run(HostTracker.java:528) [bundlefile:na]

Note that this behavior is not observed on a mininet with 7 nodes - 15 nodes and up are required to to observe this problem.