Observing several warnings on inventory checks for unifi_device_if

Thank you for the great special agent; lots of visibility!

As for this issue, here are the entries for the Check_MK HW/SW Inventory Service for device types:

Access Points: WARNING: unifi_device_if: failed: Attributes.__init__() got an unexpected keyword argument 'path'

Switches & Console (UDM-Pro-SE): WARNING: unifi_device_if: failed: 'InterfaceWithCounters' object has no attribute 'oper_status'