Update the Flow Entry user state to DELETE when received a notification
that the entry is deleted.
diff --git a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowEventHandler.java b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowEventHandler.java
index cb8cc5d..8fc6a12 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowEventHandler.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowEventHandler.java
@@ -1250,6 +1250,12 @@
     @Override
     public void notificationRecvFlowEntryRemoved(FlowEntry flowEntry) {
 	if (enableOnrc2014MeasurementsFlows) {
+	    //
+	    // NOTE: Must update the state to DELETE, because
+	    // the notification contains the original state.
+	    //
+	    flowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE);
+
 	    Collection entries = new ArrayList();
 	    entries.add(flowEntry);
 	    flowManager.pushModifiedFlowEntriesToSwitches(entries);