GissipLinkStore: lowering log level

Change-Id: I4e9ec3e9849ab84308c97b5da7d6cf955baf526c
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/link/impl/GossipLinkStore.java b/core/store/dist/src/main/java/org/onlab/onos/store/link/impl/GossipLinkStore.java
index d2edd7d..d5ce52a 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/link/impl/GossipLinkStore.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/link/impl/GossipLinkStore.java
@@ -729,7 +729,7 @@
         @Override
         public void handle(ClusterMessage message) {
 
-            log.info("Received link event from peer: {}", message.sender());
+            log.trace("Received link event from peer: {}", message.sender());
             InternalLinkEvent event = (InternalLinkEvent) SERIALIZER.decode(message.payload());
 
             ProviderId providerId = event.providerId();
@@ -743,7 +743,7 @@
         @Override
         public void handle(ClusterMessage message) {
 
-            log.info("Received link removed event from peer: {}", message.sender());
+            log.trace("Received link removed event from peer: {}", message.sender());
             InternalLinkRemovedEvent event = (InternalLinkRemovedEvent) SERIALIZER.decode(message.payload());
 
             LinkKey linkKey = event.linkKey();