start: fixed the type value for kubectl version mismatch to warning

cmd/minikube/cmd/start.go

@@ -421,7 +421,7 @@ func showKubectlInfo(kcs *kubeconfig.Settings, k8sVersion string, machineName st
 		out.Ln("")
 		out.WarningT("{{.path}} is version {{.client_version}}, which may be incompatible with Kubernetes {{.cluster_version}}.",
 			out.V{"path": path, "client_version": client, "cluster_version": cluster})
-		out.ErrT(style.Tip, "You can also use 'minikube kubectl -- get pods' to invoke a matching version",
+		out.WarningT("You can also use 'minikube kubectl -- get pods' to invoke a matching version",
 			out.V{"path": path, "client_version": client})
 	}
 	return nil