kube-controller-manager启动后状态为status但访问不了api-server

[Raofy]

文档版本
k8s-v1.20.9

现象描述
[root@k8s-master01 api-server-certs]# systemctl status kube-controller-manager -l
● kube-controller-manager.service - Kubernetes Controller Manager
Loaded: loaded (/usr/lib/systemd/system/kube-controller-manager.service; disabled; vendor preset: disabled)
Active: active (running) since 一 2022-04-11 14:56:42 CST; 14min ago
Docs: https://github.com/kubernetes/kubernetes
Main PID: 78472 (kube-controller)
CGroup: /system.slice/kube-controller-manager.service
└─78472 /opt/kubernetes/bin/kube-controller-manager --logtostderr=false --v=2 --log-dir=/opt/kubernetes/logs --leader-elect=true --master=127.0.0.1:8080 --bind-address=127.0.0.1 --allocate-node-cidrs=true --cluster-cidr=10.244.0.0/16 --service-cluster-ip-range=10.0.0.0/24 --cluster-signing-cert-file=/opt/kubernetes/ssl/ca.pem --cluster-signing-key-file=/opt/kubernetes/ssl/ca-key.pem --root-ca-file=/opt/kubernetes/ssl/ca.pem --service-account-private-key-file=/opt/kubernetes/ssl/ca-key.pem --experimental-cluster-signing-duration=87600h0m0s

4月 11 15:10:40 k8s-master01 kube-controller-manager[78472]: E0411 15:10:40.797850 78472 leaderelection.go:325] error retrieving resource lock kube-system/kube-controller-manager: Get "http://127.0.0.1:8080/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-controller-manager?timeout=10s": dial tcp 127.0.0.1:8080: connect: connection refused
4月 11 15:10:44 k8s-master01 kube-controller-manager[78472]: E0411 15:10:44.412351 78472 leaderelection.go:325] error retrieving resource lock kube-system/kube-controller-manager: Get "http://127.0.0.1:8080/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-controller-manager?timeout=10s": dial tcp 127.0.0.1:8080: connect: connection refused
4月 11 15:10:48 k8s-master01 kube-controller-manager[78472]: E0411 15:10:48.514289 78472 leaderelection.go:325] error retrieving resource lock kube-system/kube-controller-manager: Get "http://127.0.0.1:8080/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-controller-manager?timeout=10s": dial tcp 127.0.0.1:8080: connect: connection refused
4月 11 15:10:50 k8s-master01 kube-controller-manager[78472]: E0411 15:10:50.936635 78472 leaderelection.go:325] error retrieving resource lock kube-system/kube-controller-manager: Get "http://127.0.0.1:8080/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-controller-manager?timeout=10s": dial tcp 127.0.0.1:8080: connect: connection refused
4月 11 15:10:53 k8s-master01 kube-controller-manager[78472]: E0411 15:10:53.922466 78472 leaderelection.go:325] error retrieving resource lock kube-system/kube-controller-manager: Get "http://127.0.0.1:8080/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-controller-manager?timeout=10s": dial tcp 127.0.0.1:8080: connect: connection refused
4月 11 15:10:56 k8s-master01 kube-controller-manager[78472]: E0411 15:10:56.202359 78472 leaderelection.go:325] error retrieving resource lock kube-system/kube-controller-manager: Get "http://127.0.0.1:8080/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-controller-manager?timeout=10s": dial tcp 127.0.0.1:8080: connect: connection refused
4月 11 15:10:58 k8s-master01 kube-controller-manager[78472]: E0411 15:10:58.755454 78472 leaderelection.go:325] error retrieving resource lock kube-system/kube-controller-manager: Get "http://127.0.0.1:8080/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-controller-manager?timeout=10s": dial tcp 127.0.0.1:8080: connect: connection refused
4月 11 15:11:03 k8s-master01 kube-controller-manager[78472]: E0411 15:11:03.005605 78472 leaderelection.go:325] error retrieving resource lock kube-system/kube-controller-manager: Get "http://127.0.0.1:8080/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-controller-manager?timeout=10s": dial tcp 127.0.0.1:8080: connect: connection refused
4月 11 15:11:05 k8s-master01 kube-controller-manager[78472]: E0411 15:11:05.531822 78472 leaderelection.go:325] error retrieving resource lock kube-system/kube-controller-manager: Get "http://127.0.0.1:8080/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-controller-manager?timeout=10s": dial tcp 127.0.0.1:8080: connect: connection refused
4月 11 15:11:08 k8s-master01 kube-controller-manager[78472]: E0411 15:11:08.848887 78472 leaderelection.go:325] error retrieving resource lock kube-system/kube-controller-manager: Get "http://127.0.0.1:8080/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-controller-manager?timeout=10s": dial tcp 127.0.0.1:8080: connect: connection refused
[root@k8s-master01 api-server-certs]# ll