We just had problems making LACP bonding work with RDMA and Mellanox
cards, using VPP 19.08. It turned out to be caused by a problem with
unintended loopback of some packets, something that is fixed by the
following commit by Ben in the master branch:

-----------------------------------------------
commit df213385d391f21d99eaeaf066f0130a20f7ccde
Author: Benoît Ganne <bga...@cisco.com>
Date:   Fri Oct 4 15:28:12 2019 +0200

    rdma: prevent loopback of broadcast packets
    
    TX queues must be created before RX queues on Mellanox cards in
order to
    not receive our own broadcast packets.
    
    Type: fix
    
    Change-Id: I32ae25a47d819f715feda621a5ecddcf4efd71ba
    Signed-off-by: Benoît Ganne <bga...@cisco.com>
-----------------------------------------------

Can that fix be applied also for the 19.08 branch?

Best regards,
Elias
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