text: Title: pkg/proxy/ipvs/README.md says `kube init` but means `kubeadm init`
  Body: https://github.com/kubernetes/kubernetes/blob/master/pkg/proxy/ipvs/README.md#cluster-created-by-kubeadm says:
  
  > before running
  > `kube init --config <path_to_configuration_file>`
  > to specify the ipvs mode before deploying the cluster.
  
  It likely means not `kube init`, but `kubeadm init`