Hello, Mellanox Card (Infiniband Network) as recognize like a serial port this a print of iface (inventory.py line 192) {'name': 'ibp65s0', 'macaddress': '00:00:10:29:fe:80:00:00:00:00:00:00:50:6b:00:00:00:00:00:00', 'serial': '00:00:10:29:fe:80:00:00:00:00:00:00:50:6b:00:00:00:00:00:00', 'product': 'MT27800 Family [ConnectX-5]', 'vendor': 'Mellanox Technologies', 'description': 'interface'} when it's recognize like a serial, the fields need to be reduce (more 50char), so this do an error. Bab (sorry for my english, try to be better every day)