deprecation warnings from kubelet

[bboreham]

Jun 23 11:39:02 node1 systemd[1]: Started kubelet: The Kubernetes Node Agent.
Jun 23 11:39:03 node1 kubelet[1327]: Flag --cgroup-driver has been deprecated, This parameter should be set via the config file specified by the Kubelet's --config flag. See https://kubernetes.io/docs/tasks/administer-cluster/kubelet-config-file/ for more information.
Jun 23 11:39:03 node1 kubelet[1327]: Flag --fail-swap-on has been deprecated, This parameter should be set via the config file specified by the Kubelet's --config flag. See https://kubernetes.io/docs/tasks/administer-cluster/kubelet-config-file/ for more information.
Jun 23 11:39:03 node1 kubelet[1327]: Flag --cgroup-driver has been deprecated, This parameter should be set via the config file specified by the Kubelet's --config flag. See https://kubernetes.io/docs/tasks/administer-cluster/kubelet-config-file/ for more information.
Jun 23 11:39:03 node1 kubelet[1327]: Flag --fail-swap-on has been deprecated, This parameter should be set via the config file specified by the Kubelet's --config flag. See https://kubernetes.io/docs/tasks/administer-cluster/kubelet-config-file/ for more information.
Jun 23 11:39:03 node1 kubelet[1327]: I0623 11:39:03.653044    1327 server.go:410] Version: v1.16.11

Not sure if wksctl sets those up or they are done implicitly by kubeadm.