k8s安装kubernetes-dashboard 一直报错 dial tcp 10.96.0.1:443: i/o timeout

kubectl logs kubernetes-dashboard-74d688b6bc-6fjnj -n kubernetes-dashboard
2020/09/03 09:27:34 Starting overwatch
2020/09/03 09:27:34 Using namespace: kubernetes-dashboard
2020/09/03 09:27:34 Using in-cluster config to connect to apiserver
2020/09/03 09:27:34 Using secret token for csrf signing
2020/09/03 09:27:34 Initializing csrf token from kubernetes-dashboard-csrf secret
panic: Get https://10.96.0.1:443/api/v1/namespaces/kubernetes-dashboard/secrets/kubernetes-dashboard-csrf: dial tcp 10.96.0.1:443: i/o timeout

goroutine 1 [running]:
github.com/kubernetes/dashboard/src/app/backend/client/csrf.(*csrfTokenManager).init(0xc00000d7a0)
    /home/travis/build/kubernetes/dashboard/src/app/backend/client/csrf/manager.go:41 +0x446
github.com/kubernetes/dashboard/src/app/backend/client/csrf.NewCsrfTokenManager(...)
    /home/travis/build/kubernetes/dashboard/src/app/backend/client/csrf/manager.go:66
github.com/k