This enables the use of the '::0' IPv6 address for the vncserver_listen
parameter.
class { 'nova::compute::libvirt':
vncserver_listen => '::0',
migration_support => true,
}
Change-Id: Iec69a82c6a7bbf1b0f7364e87e1e3e37a876be9a
Closes-Bug: rhbz#1185652