def report_dead_hosting_devices(self, context, hd_ids=None):
        """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
        """
        cctxt = self.client.prepare()
        cctxt.cast(context, 'report_non_responding_hosting_devices',
                   host=self.host, hosting_device_ids=hd_ids)