+ struct interface *iface_old = vlist_find(&interfaces, name, iface_old, node);
+ if (iface_old && iface_old->ip6table > 1000 && iface_old->ip6table < 2000)
+ iface->ip6table = iface_old->ip6table;
+ else
+ iface->ip6table = 1000 + ++interface_serial;