correct a few spelling mistakes

cmd/kube-proxy/app/server.go

@@ -383,17 +383,17 @@ func getConntrackMax(config *options.ProxyServerConfig) (int, error) {
 		if config.ConntrackMaxPerCore > 0 {
 			return -1, fmt.Errorf("invalid config: ConntrackMax and ConntrackMaxPerCore are mutually exclusive")
 		}
-		glog.V(3).Infof("getConntrackMax: using absolute conntrax-max (deprecated)")
+		glog.V(3).Infof("getConntrackMax: using absolute conntrack-max (deprecated)")
 		return int(config.ConntrackMax), nil
 	}
 	if config.ConntrackMaxPerCore > 0 {
 		floor := int(config.ConntrackMin)
 		scaled := int(config.ConntrackMaxPerCore) * runtime.NumCPU()
 		if scaled > floor {
-			glog.V(3).Infof("getConntrackMax: using scaled conntrax-max-per-core")
+			glog.V(3).Infof("getConntrackMax: using scaled conntrack-max-per-core")
 			return scaled, nil
 		}
-		glog.V(3).Infof("getConntrackMax: using conntrax-min")
+		glog.V(3).Infof("getConntrackMax: using conntrack-min")
 		return floor, nil
 	}
 	return 0, nil