NETMAP_POLLING_MODE_MULTI_CPU
if (req->nr_mode == NETMAP_POLLING_MODE_MULTI_CPU) {
req->nr_mode == NETMAP_POLLING_MODE_MULTI_CPU ?
req->nr_mode = NETMAP_POLLING_MODE_MULTI_CPU;
v->nr_mode = p ? NETMAP_POLLING_MODE_MULTI_CPU :
if (v->nr_mode != NETMAP_POLLING_MODE_MULTI_CPU) {