A static helper library that provides NMPlatform and other utils.
This is NetworkManager's internal netlink library, but also contains
helpers for sysfs, ethtool and other kernel APIs.
NMPlaform is also a cache of objects of the netlink API: NMPCache
and NMPObject. These objects are used throughout NetworkManager
also for generally tracking information about these types. For example,
NMPlatformIP4Address (the public part of a certain type of NMPObject)
is not only used to track platform addresses from netlink in the cache,
but to track information about IPv4 addresses in general.
This depends on the following helper libraries