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)