onuomci state transition fixes

Change-Id: Id721f24bca76d4e158e65d44bb5ef1141839bd49
diff --git a/core/grpc_service.go b/core/grpc_service.go
index edf7d1b..e18dfa5 100644
--- a/core/grpc_service.go
+++ b/core/grpc_service.go
@@ -240,6 +240,7 @@
 
 		// EAPOL flow
 		if flow.Classifier.EthType == uint32(layers.EthernetTypeEAPOL) {
+			logger.Debug("OLT %d receives EAPOL flow IntfID:%d OnuID:%d EType:%x", s.Olt.ID, flow.AccessIntfId, flow.OnuId, flow.Classifier.EthType)
 			omcistate := omci.GetOnuOmciState(onu.IntfID, onu.OnuID)
 			if omcistate != omci.DONE {
 				logger.Warn("FlowAdd() OMCI state %d is not \"DONE\"", omci.GetOnuOmciState(onu.OnuID, onu.IntfID))