From 0507a88290a66586f4f7d5c449c8e714d44daf56 Mon Sep 17 00:00:00 2001
From: Michael Balsillie <michael@balsillie.net>
Date: Wed, 16 Sep 2026 02:19:52 -0400
Subject: [PATCH] ipv4_only wip

---
 roles/ipv4_only/tasks/main.yml | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/roles/ipv4_only/tasks/main.yml b/roles/ipv4_only/tasks/main.yml
index c351b32..e694c7e 100644
--- a/roles/ipv4_only/tasks/main.yml
+++ b/roles/ipv4_only/tasks/main.yml
@@ -1,5 +1,23 @@
 # code: language=ansible
 
+- name: Disable IPv6 Link Local Addressing
+  ansible.builtin.lineinfile:
+    path: /etc/systemd/network/10-cloud-init-eth0.network
+    line: "{{ item.line }}"
+    regexp: "{{ item.regexp }}"
+    insertafter: '^\[Network\]$'
+    firstmatch: true
+    state: present
+  loop:
+    - line: LinkLocalAddressing=no
+      regexp: '^LinkLocalAddressing\s*=\s*.*$'
+    - line: IPv6LinkLocalAddressGenerationMode=none
+      regexp: '^IPv6LinkLocalAddressGenerationMode\s*=\s*.*$'
+  loop_control:
+    label: "{{ item.line }}"
+  notify:
+    - Reboot
+
 - name: Disable ipv6 (all)
   ansible.posix.sysctl:
     name: "{{ item }}"