Errors encountered while processing 03-unnumbered.yml
IncorrectValue in interfaces: Invalid unnumbered IPv4 interface ether2 (dut -> stub) on node dut 
... Device routeros7 (node dut) does not support unnumbered IPv4 interfaces
IncorrectValue in interfaces: Device routeros7 (node dut) does not support LLA-only IPv6 interfaces
... Interface ether2 (link dut -> stub)
IncorrectValue in interfaces: Invalid unnumbered IPv4 interface ether3 (dut -> stub) on node dut 
IncorrectValue in interfaces: Device routeros7 (node dut) does not support LLA-only IPv6 interfaces
... Interface ether4 (link dut -> stub)
IncorrectValue in interfaces: Invalid unnumbered IPv4 interface ether5 (dut -> stub) on node dut 
IncorrectValue in interfaces: Device routeros7 (node dut) does not support LLA-only IPv6 interfaces
... Interface ether6 (link dut -> stub)
Fatal error in netlab: Cannot proceed beyond this point due to errors, exiting