[ONOS-7262] Cfm improvements to allow RMeps and Mds and Mas to be added and deleted

Change-Id: Ibffb13d046bfb29dbe88de7b558c95fbf9db046d
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/l2monitoring/cfm/impl/CfmMdManager.java b/incubator/net/src/main/java/org/onosproject/incubator/net/l2monitoring/cfm/impl/CfmMdManager.java
index 5a125f5..b18d2f6 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/l2monitoring/cfm/impl/CfmMdManager.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/l2monitoring/cfm/impl/CfmMdManager.java
@@ -65,10 +65,8 @@
     @Activate
     public void activate() {
         appId = coreService.registerApplication(APP_ID);
-
         eventDispatcher.addSink(MdEvent.class, listenerRegistry);
         store.setDelegate(delegate);
-
         log.info("CFM Service Started");
     }
 
@@ -163,9 +161,8 @@
     private class InternalStoreDelegate implements MdStoreDelegate {
         @Override
         public void notify(MdEvent event) {
-            log.debug("New MD event: {}", event.subject());
+            log.debug("New MD event: {}", event);
             eventDispatcher.post(event);
         }
     }
-
 }