int port_flow_query(portid_t port_id, uint32_t rule,
enum rte_flow_action_type action);
void port_flow_list(portid_t port_id, uint32_t n, const uint32_t *group);
int port_flow_query(portid_t port_id, uint32_t rule,
enum rte_flow_action_type action);
void port_flow_list(portid_t port_id, uint32_t n, const uint32_t *group);