Suppress warning when a pod in binding cannot be expired

plugin/pkg/scheduler/schedulercache/cache.go

@@ -439,7 +439,7 @@ func (cache *schedulerCache) cleanupAssumedPods(now time.Time) {
 			panic("Key found in assumed set but not in podStates. Potentially a logical error.")
 		}
 		if !ps.bindingFinished {
-			glog.Warningf("Couldn't expire cache for pod %v/%v. Binding is still in progress.",
+			glog.V(3).Infof("Couldn't expire cache for pod %v/%v. Binding is still in progress.",
 				ps.pod.Namespace, ps.pod.Name)
 			continue
 		}