[main] WARN org.opendaylight.openflowjava.protocol.impl.core.connection.ResponseExpectedRpcListener - Request for RpcResultKey [xid=42, outputClazz=org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.BarrierOutput] did not receive a response
[main] INFO org.opendaylight.openflowjava.protocol.impl.core.connection.ConnectionAdapterImpl - Hello received