only apply kic networking overlay to control plane

pkg/minikube/bootstrapper/bootstrapper.go

@@ -42,7 +42,6 @@ type Bootstrapper interface {
 	WaitForNode(config.ClusterConfig, config.Node, time.Duration) error
 	JoinCluster(config.ClusterConfig, config.Node, string) error
 	UpdateNode(config.ClusterConfig, config.Node, cruntime.Manager) error
-	SetupNode(config.ClusterConfig) error
 	GenerateToken(config.ClusterConfig) (string, error)
 	// LogCommands returns a map of log type to a command which will display that log.
 	LogCommands(LogOptions) map[string]string

pkg/minikube/bootstrapper/kubeadm/kubeadm.go

@@ -215,8 +215,10 @@ func (k *Bootstrapper) StartCluster(cfg config.ClusterConfig) error {
 		return errors.Wrapf(err, "init failed. output: %q", rr.Output())
 	}
 
-	if err = k.SetupNode(cfg); err != nil {
-		return errors.Wrap(err, "setting up node")
+	if cfg.Driver == driver.Docker {
+		if err := k.applyKicOverlay(cfg); err != nil {
+			return errors.Wrap(err, "apply kic overlay")
+		}
 	}
 
 	if err := k.applyNodeLabels(cfg); err != nil {
@@ -234,17 +236,6 @@ func (k *Bootstrapper) StartCluster(cfg config.ClusterConfig) error {
 	return nil
 }
 
-// SetupNode runs commands that need to be on all nodes
-func (k *Bootstrapper) SetupNode(cfg config.ClusterConfig) error {
-	if cfg.Driver == driver.Docker {
-		if err := k.applyKicOverlay(cfg); err != nil {
-			return errors.Wrap(err, "apply kic overlay")
-		}
-	}
-
-	return nil
-}
-
 // client sets and returns a Kubernetes client to use to speak to a kubeadm launched apiserver
 func (k *Bootstrapper) client(ip string, port int) (*kubernetes.Clientset, error) {
 	if k.k8sClient != nil {

pkg/minikube/node/start.go

@@ -124,9 +124,6 @@ func Start(cc config.ClusterConfig, n config.Node, existingAddons map[string]boo
 			exit.WithError("setting up certs", err)
 		}
 
-		if err = bs.SetupNode(cc); err != nil {
-			exit.WithError("Failed to setup node", err)
-		}
 	}
 
 	configureMounts()