code: func (rt *apiRoundTripper) NewDaemonRequest(method, path string,
  	query *url.Values, body interface{}) (*http.Request, string, error) {
  
  	return rt.newRequest(method, daemonAPIVersion, path, query, body)
  }
docs: // NewDaemonRequest constructs a new http.Request, with a body containing the json
  // representation of body, if provided. Daemon requests are handled directly
  // by the torus daemon.