Comment # 26 on bug 1182227 from Fabian Vogt

(In reply to Marius Tomaschewski from comment #25)
> What I can do (will do tomorrow) is to create a pull with cleanup of the
> parser
> so we get rid of shuffling the `ifname=` rename-matches into interface names
> used by ip=, vlan=, ...:
> ```
>   <name namespace="ethernet">
>     <permanent-address>52:54:00:dc:43:b6</permanent-address>
>   </name>
> ```
> with diverse other fixes (config generated twice, broken vlan=, ...).
> The `ip=dhcp` thingy aka implement dhcp probing in bootstrap instead to just
> alias it to "ifup" is not yet covered / implemented.

Unfortunately that's the most important part...

IMO all of the options the network-legacy module supports have to be supported
by network-wicked as well. It's what's documented in dracut.cmdline and relied
on by all users.