As part of the migration to VXLAN/IPv6 we want to let users decide if hey want a given VM with different network settings.
We will need to enable the panel while the migration is ongoing.
See also:
- LAUNCH_INSTANCE_DEFAULTS in modules/openstack/templates/caracal/horizon/local_settings.py.erb
- T377467: Decision Request - How to do the Cloud VPS VXLAN/IPv6 migration
- https://wikitech.wikimedia.org/wiki/Portal:Cloud_VPS/Admin/IPv6/initial_deploy