def report_dead_hosting_devices(self, context, hd_ids=None):
cctxt = self.client.prepare()<EOL>cctxt.cast(context, '<STR_LIT>',<EOL>host=self.host, hosting_device_ids=hd_ids)<EOL>
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