zic@Sword:~$ kubectl --namespace=kube-system logs kubernetes-dashboard-3697905830-qv6hv
Using HTTP port: 9090
Creating API server client for https://10.152.183.1:443
Error while initializing connection to Kubernetes apiserver. This most likely means that the cluster is misconfigured (e.g., it has invalid apiserver certificates or service accounts configuration) or the --apiserver-host param points to a server that does not exist. Reason: the server has asked for the client to provide credentials
Refer to the troubleshooting guide for more information: https://github.com/kubernetes/dashboard/blob/master/docs/user-guide/troubleshooting.md

zic@Sword:~$ kubectl logs nginx-ingress-controller-4m9gj
I0128 06:56:57.719566       1 main.go:94] Using build: https://github.com/bprashanth/contrib.git - git-92b2bac
W0128 06:57:28.383251       1 main.go:118] unexpected error getting runtime information: timed out waiting for the condition
F0128 06:57:28.474548       1 main.go:121] no service with name default/default-http-backend found: the server has asked for the client to provide credentials (get services default-http-backend)