RTE_ETH_EVENT_NEW, /**< port is probed */
RTE_ETH_EVENT_DESTROY, /**< port is released */
RTE_ETH_EVENT_IPSEC, /**< IPsec offload related event */
+ RTE_ETH_EVENT_FLOW_AGED,/**< New aged-out flows is detected */
RTE_ETH_EVENT_MAX /**< max value of this enum */
};