+| | ${DUT1_INT_KEY}= | Run Keyword If | ${DUT1_INT_INDEX} is None
+| | | ... | Get Interface by name | ${DUT1} | ${DUT1_INT_NAME}
+| | ${DUT2_INT_KEY}= | Run Keyword If | ${DUT2_INT_INDEX} is None
+| | | ... | Get Interface by name | ${DUT2} | ${DUT2_INT_NAME}