nixos/networking/tcpcrypt: disable for breaking ipv4

modules/nixos/networking/tcpcrypt.nix

···
+# FIXME: i have disabeled this since it broke my ipv4 connections
 {
   lib,
   config,
···
   # enable opportunistic TCP encryption
   # this is NOT a pancea, however, if the receiver supports encryption and the attacker is passive
   # privacy will be more plausible (but not guaranteed, unlike what the option docs suggest)
-  networking.tcpcrypt.enable = !config.garden.profiles.server.enable;
+  # networking.tcpcrypt.enable = !config.garden.profiles.server.enable;
 
   users = mkIf config.networking.tcpcrypt.enable {
     groups.tcpcryptd = { };