The format of the DevicePermanentName property is interpreted based upon
the value of this property.
Values are defined as:
1 - unknown. The format is not meaningfully interpretable by a CIM client
application.
2 - other. The format is defined by the value of the OtherPermanentNameFormat
property.
3 - worldWideName. The format is a WorldWideName.
4 - macAddress. The format is a LAN MAC Address.