def _create_hidden_port(self, context, network_id, device_id, fixed_ips,
                            port_type=DEVICE_OWNER_ROUTER_INTF):
        return self._core_plugin.create_port(context, {
            'port': {
                'tenant_id': '',  # intentionally not set
                'network_id': network_id,
                'mac_address': attrs.ATTR_NOT_SPECIFIED,
                'fixed_ips': fixed_ips,
                'device_id': device_id,
                'device_owner': port_type,
                'admin_state_up': True,
                'name': ''}})
Creates port used specially for HA purposes.
dataset/ETHPy150Open openstack/networking-cisco/networking_cisco/plugins/cisco/db/l3/ha_db.py/HA_db_mixin._create_hidden_port