code: def report_dead_hosting_devices(self, context, hd_ids=None):
          
          cctxt = self.client.prepare()
          cctxt.cast(context, 'report_non_responding_hosting_devices',
                     host=self.host, hosting_device_ids=hd_ids)
docs: Report that a hosting device cannot be contacted (presumed dead).
  
          :param: context: session context
          :param: hosting_device_ids: list of non-responding hosting devices
          :return: None