Bgp and Pcep maintaiability

Change-Id: I2c14cc29d4900ef2f0fbffd4761b0d78e282910f
diff --git a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BgpPrefixLSIdentifier.java b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BgpPrefixLSIdentifier.java
index fbfc781..eb795b4 100644
--- a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BgpPrefixLSIdentifier.java
+++ b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BgpPrefixLSIdentifier.java
@@ -51,6 +51,7 @@
     public BgpPrefixLSIdentifier() {
         this.localNodeDescriptors = null;
         this.prefixDescriptor = null;
+        log.debug("Parameters are reset");
     }
 
     /**
@@ -74,11 +75,11 @@
      */
     public static BgpPrefixLSIdentifier parsePrefixIdendifier(ChannelBuffer cb, byte protocolId)
             throws BgpParseException {
-        //Parse Local Node descriptor
+        log.debug("Parse local node descriptor");
         NodeDescriptors localNodeDescriptors = new NodeDescriptors();
         localNodeDescriptors = parseLocalNodeDescriptors(cb, protocolId);
 
-        //Parse Prefix descriptor
+        log.debug("MultiTopologyId TLV cannot repeat more than once");
         List<BgpValueType> prefixDescriptor = new LinkedList<>();
         prefixDescriptor = parsePrefixDescriptors(cb);
         return new BgpPrefixLSIdentifier(localNodeDescriptors, prefixDescriptor);