[main] INFO org.opendaylight.openflowplugin.impl.OpenFlowPluginProviderImpl - registered onSystemBootReady() listener for OpenFlowPluginProvider
[main] INFO org.opendaylight.openflowplugin.impl.OpenFlowPluginProviderImpl - onSystemBootReady() received, starting the switch connections
[main] INFO org.opendaylight.openflowplugin.impl.OpenFlowPluginProviderImpl - All switchConnectionProviders are up and running (1).
[main] INFO org.opendaylight.openflowplugin.impl.OpenFlowPluginProviderImpl - All switchConnectionProviders were successfully shut down (1).
[main] WARN org.opendaylight.openflowplugin.impl.OpenFlowPluginProviderImpl - Failed to shutdown org.opendaylight.openflowplugin.impl.statistics.StatisticsManagerImpl@4530e4a7 gracefully.