Lower the log level when adding bucket to a group

Change-Id: Ib565cb2f87c3494702e462e8a7c5bd208f3db0da
diff --git a/drivers/default/src/main/java/org/onosproject/driver/pipeline/Ofdpa2GroupHandler.java b/drivers/default/src/main/java/org/onosproject/driver/pipeline/Ofdpa2GroupHandler.java
index 7d85f19..acb7a7c 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/pipeline/Ofdpa2GroupHandler.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/pipeline/Ofdpa2GroupHandler.java
@@ -933,7 +933,7 @@
         TrafficTreatment tt = nextObjective.next().iterator().next();
         PortNumber newport = readOutPortFromTreatment(tt);
         if (existingOutPorts.contains(newport)) {
-            log.warn("Attempt to add bucket for existing outport:{} in dev:{} for next:{}",
+            log.info("Attempt to add bucket for existing outport:{} in dev:{} for next:{}",
                      newport, deviceId, nextObjective.id());
             return;
         }