free configurable ipv6 for hetzner

templates/profiles/hetzner_server.j2

@@ -14,7 +14,7 @@ iface eth0 inet static
   dns-nameservers 213.133.98.98 213.133.99.99 213.133.100.100
 
 iface eth0 inet6 static
-  address {{ hetzner_server_ipv6_subnet | ipaddr('1') | ipv6('address') }}
+  address {{ hetzner_server_ipv6 | ipv6('address') }}
   netmask 128
   gateway fe80::1
   dns-nameservers 2a01:4f8:0:1::add:1010 2a01:4f8:0:1::add:9999 2a01:4f8:0:1::add:9898