| | ... | ${dut2_node} | ${dut2_to_tg} | ${subif_index_2}
| | Then Send ICMP packet and verify received packet
| | ... | ${tg_node} | ${tg_to_dut1} | ${tg_to_dut2}
| | ... | ${dut2_node} | ${dut2_to_tg} | ${subif_index_2}
| | Then Send ICMP packet and verify received packet
| | ... | ${tg_node} | ${tg_to_dut1} | ${tg_to_dut2}