Cherry picks from 1.6 branch

Change-Id: I596247425802fc759463bcf77ea3c885f3161581
diff --git a/protocols/pcep/ctl/src/main/java/org/onosproject/pcep/controller/impl/PcepClientImpl.java b/protocols/pcep/ctl/src/main/java/org/onosproject/pcep/controller/impl/PcepClientImpl.java
index 42d4b07..927b4c7 100644
--- a/protocols/pcep/ctl/src/main/java/org/onosproject/pcep/controller/impl/PcepClientImpl.java
+++ b/protocols/pcep/ctl/src/main/java/org/onosproject/pcep/controller/impl/PcepClientImpl.java
@@ -186,6 +186,7 @@
 
     @Override
     public void setLspDbSyncStatus(PcepSyncStatus syncStatus) {
+        log.debug("LSP DB sync status set from {} to {}", this.lspDbSyncStatus, syncStatus);
         this.lspDbSyncStatus = syncStatus;
     }
 
@@ -199,7 +200,7 @@
 
         PcepSyncStatus syncOldStatus = labelDbSyncStatus();
         this.labelDbSyncStatus = syncStatus;
-
+        log.debug("Label DB sync status set from {} to {}", syncOldStatus, syncStatus);
         if ((syncOldStatus == PcepSyncStatus.IN_SYNC) && (syncStatus == PcepSyncStatus.SYNCED)) {
             // Perform end of LSP DB sync actions.
             this.agent.analyzeSyncMsgList(pccId);