Removed lower priority warnings reported by FindBugs.
diff --git a/src/main/java/net/onrc/onos/registry/controller/ZookeeperRegistry.java b/src/main/java/net/onrc/onos/registry/controller/ZookeeperRegistry.java
index b03aea2..5dd4fc9 100644
--- a/src/main/java/net/onrc/onos/registry/controller/ZookeeperRegistry.java
+++ b/src/main/java/net/onrc/onos/registry/controller/ZookeeperRegistry.java
@@ -99,7 +99,11 @@
 			//may have since released the request or even begun another request
 			//(this is why we use == to check the object instance is the same)
 			SwitchLeadershipData swData = switches.get(dpid);
-			if (swData != null && swData.getLatch() == latch){
+			if (swData != null) {
+				log.debug("Leadership data {} not found", dpid);
+			}
+			
+			if (swData.getLatch() == latch){
 				swData.getCallback().controlChanged(
 						HexString.toLong(dpid), latch.hasLeadership());
 			}