| | ${args}= | Traffic Script Gen Arg | ${to_port} | ${from_port} | ${src_mac}
| | | ... | ${dst_mac} | ${src_ip} | ${dst_ip}
| | ${args}= | Catenate | ${args} | --hops ${hops} | --first_hop_mac ${adj_int['mac_address']}
| | ${args}= | Traffic Script Gen Arg | ${to_port} | ${from_port} | ${src_mac}
| | | ... | ${dst_mac} | ${src_ip} | ${dst_ip}
| | ${args}= | Catenate | ${args} | --hops ${hops} | --first_hop_mac ${adj_int['mac_address']}