to one it means it represents IV, when is set to zero it means J0 is used
directly, in this case 16 bytes of J0 need to be passed.
+* sched: To allow more traffic classes, flexible mapping of pipe queues to
+ traffic classes, and subport level configuration of pipes and queues
+ changes will be made to macros, data structures and API functions defined
+ in "rte_sched.h". These changes are aligned to improvements suggested in the
+ RFC https://mails.dpdk.org/archives/dev/2018-November/120035.html.
+
* metrics: The function ``rte_metrics_init`` will have a non-void return
in order to notify errors instead of calling ``rte_exit``.