By default the nova vncproxy binds to 0.0.0.0, which will fail in
a loadbalanced environment. This makes it bind to its network.
Change-Id: I08776a8f6c72b63d73433b147c130fbc9a7110b0
nova::network::neutron::neutron_admin_password: {get_input: neutron_password}
nova::network::neutron::neutron_url: {get_input: neutron_url}
nova::network::neutron::neutron_admin_auth_url: {get_input: neutron_admin_auth_url}
+ nova::vncproxy::host: {get_input: nova_api_network}
# Horizon
horizon::django_debug: {get_input: debug}