rc: sync code with IPv4 equivalent, looks sane

src/etc/rc.newwanipv6

@@ -113,9 +113,6 @@ system_resolvconf_generate();
 system_routing_configure($interface);
 setup_gateways_monitor();
 
-/* signal filter reload */
-filter_configure();
-
 if (is_ipaddrv6($oldipv6)) {
     if ($curwanipv6 == $oldipv6) {
         // Still need to sync VPNs on PPPoE and such, as even with the same IP the VPN software is unhappy with the IP disappearing.
@@ -144,3 +141,6 @@ if (substr($interface_real, 0, 4) != 'ovpn') {
 plugins_configure('vpn', false, array($interface));
 plugins_configure('newwanip', false, array($interface));
 rrd_configure();
+
+/* reload filter, don't try to sync to carp slave */
+filter_configure_sync();