解决办法:

[root@master1 ~]# kubectl get ValidatingWebhookConfiguration
NAME                                      WEBHOOKS   AGE
istio-validator-1-11-2-istio-system       2          179d

[root@master1 ~]# kubectl get MutatingWebhookConfiguration
NAME                                   WEBHOOKS   AGE
istio-sidecar-injector-1-11-2          2          179d

删除上述两个资源(k8s准入控制)