[CORD-2607] Mcast buckets correction

Change-Id: Ib47b2d8e40babdbb2ccdba61b48365a141752016
diff --git a/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
index c3980b2..2b607af 100644
--- a/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
+++ b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
@@ -490,6 +490,8 @@
         portNextObjStore.destroy();
         tunnelStore.destroy();
         policyStore.destroy();
+
+        mcastHandler.terminate();
         log.info("Stopped");
     }