Description:    desc,
			HTTPStatusCode: http.StatusUpgradeRequired,
		}, r.URL)
	case strings.HasPrefix(r.URL.Path, storageRESTPrefix):
		writeErrorResponseString(r.Context(), w, APIError{
			Code:           "XMinioStorageVersionMismatch",
			Description:    desc,
			HTTPStatusCode: http.StatusUpgradeRequired,
		}, r.URL)
	case strings.HasPrefix(r.URL.Path, adminPathPrefix):
		var desc string

		}
		conn, _, _, err := ws.UpgradeHTTP(req, w)
		if err != nil {
			if debugPrint {
				fmt.Printf("grid: Unable to upgrade: %v. http.ResponseWriter is type %T\n", err, w)
			}
			w.WriteHeader(http.StatusUpgradeRequired)
			return
		}
		// will write an OpConnectResponse message to the remote and log it once locally.
		writeErr := func(err error) {
			if err == nil {
				return
			}
			if errors.Is(err, io.EOF) {