Other in KDE Base
Adapt the NM-0.6 backend to the new Solid API, mostly by adding empty placeholder for the added functions (but still disabled, for now).
Create a hierarchy (with shared d-pointer) for the NetworkInterface types; base and wireless are there, wired is missing.
Futhermore, minor stuff like missing Q_INTERFACES() and similar.
What the backend can so at the moment, is just listing the devices.