client-go DiscoveryClient和ClientSet长连接数

package main

import (
	"context"
	"test/signals"
	"time"

	core_v1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/client-go/discovery"
	"k8s.io/client-go/kubernetes"
	"k8s.io/client-go/tools/clientcmd"
	klog "k8s.io/klog/v2"
)

func addListWatchCfgAndClient(stopCh <-chan struct{}) {
	cfg1, err := clientcmd.BuildConfigFromFlags("", "/root/.kube/config")
	if err != nil {
		klog.Fatalf("Error building kubeconfig: %s", err.Error())
	}

	kubeClient, err := kubernetes.NewForConfig(cfg1)
	if err != nil {
		klog.Fatalf("Error building kubernetes clientset: %v", err)
	}

	cfg2, err := clientcmd.BuildConfigFromFlags("", "/root/.kube/config")
	if err != nil {
		klog.Fatalf("Error building kubeconfig: %s", err.Error())
	}

	discoveryClient, err := discovery.NewDiscoveryClientForConfig(cfg2)
	if err != nil {
		klog.Fatalf("Error building kubernetes discoveryclient: %v", err)
	}

	_, err = discoveryClient.ServerResourcesForGroupVersion("v1")
	if err != nil {
		klog.Errorf("get groups and resources failed")
	} else {
		klog.Infof("get groups and resources ok")
	}
	
	ns := &core_v1.Namespace{
		ObjectMeta: metav1.ObjectMeta{
			Name: "test",
		},
	}
	if _, err := kubeClient.CoreV1().Namespaces().Create(context.Background(), ns, metav1.CreateOptions{}); err != nil {
		klog.Infof("create ns test failed, err is %v", err)
	} else {
		klog.Infof("create ns test success")
	}

	select {
	case <-stopCh:
		return
	case <-time.After(time.Hour):
	}
}

func main() {
	stopCh := signals.SetupSignalHandler()
	addListWatchCfgAndClient(stopCh)
}

基于相同kubeconfig路径，创建2个不同kubeconfig对象，对应启动2个不同client，最后只有1条长连接。