Dropping log level to debug in few places

Change-Id: I4b42d4f3edfc6e9cdd0822cfcb74d1070b0b7a70
diff --git a/core/store/dist/src/main/java/org/onosproject/store/link/impl/GossipLinkStore.java b/core/store/dist/src/main/java/org/onosproject/store/link/impl/GossipLinkStore.java
index c5045ab..4ba8cca 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/link/impl/GossipLinkStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/link/impl/GossipLinkStore.java
@@ -317,7 +317,7 @@
             }
 
             if (linkEvent != null) {
-                log.info("Notifying peers of a link update topology event from providerId: "
+                log.debug("Notifying peers of a link update topology event from providerId: "
                                 + "{}  between src: {} and dst: {}",
                         providerId, linkDescription.src(), linkDescription.dst());
                 notifyPeers(new InternalLinkEvent(providerId, mergedDesc));
@@ -475,7 +475,7 @@
         LinkEvent event = removeLinkInternal(key, timestamp);
 
         if (event != null) {
-            log.info("Notifying peers of a link removed topology event for a link "
+            log.debug("Notifying peers of a link removed topology event for a link "
                     + "between src: {} and dst: {}", src, dst);
             notifyPeers(new InternalLinkRemovedEvent(key, timestamp));
         }