fix(luna): ensure systemd networkd works

hosts/luna/modules/networking.nix

@@ -26,6 +26,9 @@ in
 {
   systemd.network = {
     enable = true;
+    # HACK: Disable wait-online, check in on https://github.com/NixOS/nixpkgs/pull/258680 &
+    # https://github.com/NixOS/nixpkgs/issues/247608
+    wait-online.enable = false;
     networks = {
       "10-wlan" = {
         matchConfig.Name = [ "wl*" ];
@@ -81,6 +84,8 @@ in
     '';
   };
   networking = {
+    useNetworkd = true;
+    enableIPv6 = true;
     nameservers = resolved_nameservers;
     nftables.enable = true;
     firewall = {