Lower log level

Change-Id: I1801338d75e063399035cafc541deb80d775ddda
diff --git a/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultGroupHandler.java b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultGroupHandler.java
index 0575fd3..bb83da6 100644
--- a/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultGroupHandler.java
+++ b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultGroupHandler.java
@@ -1041,7 +1041,7 @@
 
         @Override
         public void run() {
-            log.info("RETRY Hash buckets for linkup: {}", link);
+            log.debug("RETRY Hash buckets for linkup: {}", link);
             Set<NeighborSet> nsSet = nsNextObjStore.keySet()
                     .stream()
                     .filter(nsStoreEntry -> nsStoreEntry.deviceId().equals(deviceId))