def delete_dcnm_out_nwk(self, tenant_id, fw_dict, is_fw_virt=False):
        """Delete the DCNM OUT network and update the result. """
        tenant_name = fw_dict.get('tenant_name')
        ret = self._delete_service_nwk(tenant_id, tenant_name, 'out')
        if ret:
            res = fw_const.DCNM_OUT_NETWORK_DEL_SUCCESS
            LOG.info("out Service network deleted for tenant %s",
                     tenant_id)
        else:
            res = fw_const.DCNM_OUT_NETWORK_DEL_FAIL
            LOG.info("out Service network deleted failed for tenant %s",
                     tenant_id)
        self.update_fw_db_result(tenant_id, dcnm_status=res)
        return ret
Delete the DCNM OUT network and update the result.