the code here https://github.com/openstack/fuel-qa/blob/master/fuelweb_test/models/fuel_web_client.py#L3150 must be
- if iface['mac'].lower() in macs] + if iface['mac'] and iface['mac'].lower() in macs]
the code here https:/ /github. com/openstack/ fuel-qa/ blob/master/ fuelweb_ test/models/ fuel_web_ client. py#L3150
must be
- if iface[' mac'].lower( ) in macs] mac'].lower( ) in macs]
+ if iface['mac'] and iface['