if (token != null) {
                request = new Smb2SessionSetupRequest(this.getContext(), securityMode, negoResp.getCommonCapabilities(), 0, token);
                // here, messages are rejected with NOT_SUPPORTED if we start signing as soon as we can, wait until
                // session setup complete

                request.setSessionId(sessId);
                request.retainPayload();

                try {