queue.create(id: generate_external_ipam_task_id("remove", old.subnet6.network_type), name: _("Removing IPv6 in External IPAM for %s") % self, priority: 5, action: [old, :set_remove_external_ip, {:ip => old.ip6, :subnet => old.subnet6}]) if (ipv6_removed? || ipv6_changed?) && external_ipam?(old.subnet6)
    true