[Unbound] Fix IPv6 subnet

data/conf/unbound/unbound.conf

@@ -11,7 +11,7 @@ server:
   access-control: 10.0.0.0/8 allow
   access-control: 172.16.0.0/12 allow
   access-control: 192.168.0.0/16 allow
-  access-control: fd00::/8 allow
+  access-control: fc00::/7 allow
   access-control: fe80::/10 allow
   directory: "/etc/unbound"
   username: unbound
@@ -20,7 +20,7 @@ server:
   private-address: 172.16.0.0/12
   private-address: 192.168.0.0/16
   private-address: 169.254.0.0/16
-  private-address: fd00::/8
+  private-address: fc00::/7
   private-address: fe80::/10
   root-hints: "/etc/unbound/root.hints"
   hide-identity: yes