low hanging fruit for using cobra commands

cmd/kube-controller-manager/controller-manager.go

@@ -22,7 +22,9 @@ package main
 
 import (
 	"fmt"
+	"math/rand"
 	"os"
+	"time"
 
 	"k8s.io/apiserver/pkg/util/flag"
 	"k8s.io/apiserver/pkg/util/logs"
@@ -38,6 +40,8 @@ import (
 )
 
 func main() {
+	rand.Seed(time.Now().UTC().UnixNano())
+
 	s := options.NewCMServer()
 	s.AddFlags(pflag.CommandLine, app.KnownControllers(), app.ControllersDisabledByDefault.List())