test/bonding: fix MAC assignment for re-run
test/bonding: fix MAC assignment for re-run

Fix test_set_bonded_port_initialization_mac_assignment so that it works
after 're run' test_link_bonding.

Fixes: f2ef6f21ee2e ("bond: fix mac assignment to slaves")
Cc: stable@dpdk.org

Signed-off-by: Krzysztof Kanas <fa2191f99888bfb9404942fc4468a19d3d5bd274@marvell.com>
Acked-by: Chas Williams <8e10b7fd9feb54c659058e7890a36a5f97dabfd9@att.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk