* *rte_event*. If the return value is less than *nb_events*, the remaining
* events at the end of ev[] are not consumed and the caller has to take care
* of them, and rte_errno is set accordingly. Possible errno values include:
* *rte_event*. If the return value is less than *nb_events*, the remaining
* events at the end of ev[] are not consumed and the caller has to take care
* of them, and rte_errno is set accordingly. Possible errno values include: