| | ... | - dut1_to_dut2 - DUT1 towards DUT2 interface name. Type: string
| | ... | - dut2_to_dut1 - DUT2 towards DUT1 interface name. Type: string
| | ... | - dut1_to_dut2_mac - DUT1 towards DUT2 interface mac address.
| | ... | - dut1_to_dut2 - DUT1 towards DUT2 interface name. Type: string
| | ... | - dut2_to_dut1 - DUT2 towards DUT1 interface name. Type: string
| | ... | - dut1_to_dut2_mac - DUT1 towards DUT2 interface mac address.