SESSION_TEST (vec_len (mq->rings) == 2, "ring allocation");
rings_ptr = (u8 *) mq->rings[0].shr->data;
vec_foreach (ring, mq->rings)
SESSION_TEST (vec_len (mq->rings) == 2, "ring allocation");
rings_ptr = (u8 *) mq->rings[0].shr->data;
vec_foreach (ring, mq->rings)