pseudo fix for proxmox

roles/vpn/tasks/main.yml

@@ -5,6 +5,18 @@
     state: present
   when: "'debian_buster' in group_names or 'proxmox_buster' in group_names"
 
+- name: Install wireguard dependencies for proxmox
+  apt:
+    name:
+      - pve-headers
+      - wireguard-dkms # May need a `dkms autoinstall` and reboot ?
+    state: latest
+    update_cache: true
+  register: apt_result
+  retries: 3
+  until: apt_result is succeeded
+  when: "'proxmox_buster' in group_names"
+
 - name: Install wireguard
   apt:
     name: