systemctl status kubelet
? kubelet.service - kubelet: The Kubernetes Node Agent
   Loaded: loaded (/kind/systemd/kubelet.service; enabled; vendor preset: enabled)
  Drop-In: /etc/systemd/system/kubelet.service.d
           +-10-kubeadm.conf
   Active: activating (auto-restart) (Result: exit-code) since Wed 2019-03-27 18:23:23 UTC; 2s ago
     Docs: http://kubernetes.io/docs/
  Process: 1338 ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS (code=exited, status=255)
 Main PID: 1338 (code=exited, status=255)

Mar 27 18:23:23 kind-control-plane systemd[1]: kubelet.service: Main process exited, code=exited, status=255/n/a
Mar 27 18:23:23 kind-control-plane systemd[1]: kubelet.service: Failed with result 'exit-code'.