From ce8b029108ae91b750a00fdbadff132ca56f08ea Mon Sep 17 00:00:00 2001
From: Ryan Yin <xiaoyin_c@qq.com>
Date: Sat, 30 Mar 2024 23:39:18 +0800
Subject: [PATCH] fix(lib): disable ipv6 for all kubevirt nodes

---
 lib/genKubeVirtCoreModule.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/genKubeVirtCoreModule.nix b/lib/genKubeVirtCoreModule.nix
index 0e1c787e..a9fd6e28 100644
--- a/lib/genKubeVirtCoreModule.nix
+++ b/lib/genKubeVirtCoreModule.nix
@@ -40,6 +40,8 @@ in {
     "net.ipv4.neigh.default.gc_interval" = 60;
     "net.ipv4.neigh.default.gc_stale_time" = 120;
 
+    "net.ipv6.conf.all.disable_ipv6" = 1; # disable ipv6
+
     # --- memory --- #
     "vm.swappiness" = 0; # don't swap unless absolutely necessary
   };
@@ -88,6 +90,7 @@ in {
     # Set the host's address on the OVS bridge interface instead of the physical interface!
     interfaces.ovsbr1 = networking.hostsInterface.${hostName}.interfaces.${iface};
     dhcpcd.enable = false; # disable dhcpcd, it's useless for the host
+    enableIPv6 = true;
   };
 
   # This value determines the NixOS release from which the default