Fix incorrect usage of klog .*f functions

The .*f variants should only ever be called with arguments to format.

cluster-autoscaler/estimator/binpacking_estimator.go

@@ -111,13 +111,13 @@ func (e *BinpackingNodeEstimator) Estimate(
 
 		remainingPods, err = e.tryToScheduleOnExistingNodes(estimationState, podsEquivalenceGroup.Pods)
 		if err != nil {
-			klog.Errorf(err.Error())
+			klog.Error(err.Error())
 			return 0, nil
 		}
 
 		err = e.tryToScheduleOnNewNodes(estimationState, nodeTemplate, remainingPods)
 		if err != nil {
-			klog.Errorf(err.Error())
+			klog.Error(err.Error())
 			return 0, nil
 		}
 	}

cluster-autoscaler/loop/trigger.go

@@ -139,7 +139,7 @@ func (t *LoopTrigger) logTriggerReason(message string) {
 	case <-t.podObserver.unschedulablePodChan:
 		klog.Info("Autoscaler loop triggered by unschedulable pod appearing")
 	default:
-		klog.Infof(message)
+		klog.Info(message)
 	}
 }