| | When Initialize VLAN sub-interfaces in 3-node circular topology
| | ... | ${dut1} | ${dut1_if2} | ${dut2} | ${dut2_if1} | ${subid}
| | ... | ${outer_vlan_id} | ${inner_vlan_id} | ${type_subif}
| | When Initialize VLAN sub-interfaces in 3-node circular topology
| | ... | ${dut1} | ${dut1_if2} | ${dut2} | ${dut2_if1} | ${subid}
| | ... | ${outer_vlan_id} | ${inner_vlan_id} | ${type_subif}