This change adds a set of network interface configurations for use
with network isolation. The multiple-nics templates includes one
separate NIC per network, and assumes that nic1 is used for the
provisioning network (ctlplane). Also included is an environment
file for including the multiple-nics configuration in a deployment.
This revision changes the ordering of the NICs. By doing that, it
is possible to wire up only a subset of the NICs for the storage
nodes, and it is possilbe to leave the External NIC only configured
on the controllers.
rdo: Updated this commit for static control plane configuration
Co-Authored-By: Rhys Oxenham <firstname.lastname@example.org>