During resources phase resources subnet is created with the same CIDR
as during setup. Ironic requires to have a route to this network from
control plane (ironic-conductor).
This patch creates a new network with has an unique CIDR and GATEWAY
defined by RESOURCES_FIXED_RANGE and RESOURCES_NETWORK_GATEWAY.
Default value for RESOURCES_FIXED_RANGE is 10.2.0.0/24 and
for RESOURCES_NETWORK_GATEWAY is 10.2.0.1
Change-Id: I83f9f90809bbf2e6d73c7282bbb9b2be084b6a66
Co-Authored-By: vsaienko <vsaienko@mirantis.com>
3de027ded5