# detect which is the port 0
if min(if_pci0, if_pci1) != if_pci0:
if_key0, if_key1 = if_key1, if_key0
- L3fwdTest.patch_l3fwd(dut_node, 'patch_l3fwd_flip_routes')
adj_node0, adj_if_key0 = Topology.get_adjacent_node_and_interface( \
nodes_info, dut_node, if_key0)