Added a property to userdata to allow a network interface to be ignored,
such that Talos will perform no operations on it (including DHCP).
Also added kernel commandline parameter (talos.network.interface.ignore)
to specify a network interface should be ignored.
Also allows chaining of kernel cmdline parameter Contains() where the
parameter in question does not exist.
Fixes#1124
Signed-off-by: Seán C McCord <ulexus@gmail.com>
This PR will implement the v1 machine config proposal. This will allow
for a streamlined config for talos nodes.
Signed-off-by: Spencer Smith <robertspencersmith@gmail.com>
