diff --git a/pkg/agent/netpol/netpol.go b/pkg/agent/netpol/netpol.go
index 4fd7821d1372..5dc3a3eb8e33 100644
--- a/pkg/agent/netpol/netpol.go
+++ b/pkg/agent/netpol/netpol.go
@@ -131,8 +131,9 @@ func Run(ctx context.Context, nodeConfig *config.Node) error {
 	go hc.RunCheck(healthCh, stopCh, &wg)
 
 	//init klog v2 which is used by kube-router
-	klog.InitFlags(nil)
-	flag.Set("v", strconv.Itoa(cmds.LogConfig.VLevel))
+	var krFlags flag.FlagSet
+	klog.InitFlags(&krFlags)
+	krFlags.Set("v", strconv.Itoa(cmds.LogConfig.VLevel))
 
 	npc, err := netpol.NewNetworkPolicyController(client, krConfig, podInformer, npInformer, nsInformer, &sync.Mutex{},
 		iptablesCmdHandlers, ipSetHandlers)