Packets with no rsstype set were sent using single TX queue.
In case of multiple concurent UDP streams it heavly limitted
performance. Use mbuf hashing code factored out from LAGG driver
in commit <b7ba031ff71f2> to make sure that all configured
queues are used.
Signed-off-by: Krzysztof Galazka <krzysztof.galazka@intel.com>