From 6a5ebfe5b5c5e086510be0c84941c17d29e784aa Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@fri.uni-lj.si>
Date: Wed, 22 Oct 2025 18:48:52 +0200
Subject: [PATCH] =?UTF-8?q?alpine:=20don=E2=80=99t=20disable=20IPv6=20auto?=
 =?UTF-8?q?conf=20on=20loopback=20interface?=
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Not sure if it makes a difference but let’s keep the generated config
minimal.
---
 roles/alpine/templates/interfaces.j2 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/roles/alpine/templates/interfaces.j2 b/roles/alpine/templates/interfaces.j2
index a18ebbe..882e93e 100644
--- a/roles/alpine/templates/interfaces.j2
+++ b/roles/alpine/templates/interfaces.j2
@@ -47,7 +47,7 @@ iface {{ iface.name }}
 {% endfor -%}
 
 {# disable SLAAC if we have a manually set IPv6 address #}
-{% if iface.ip_addresses | selectattr("family.value", "==", 6) %}
+{% if iface.ip_addresses | selectattr("family.value", "==", 6) and iface.name != "lo" %}
     pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/autoconf
 {% endif %}