Provide a local guest user.

roles/lmn_wlan/tasks/main.yml

@@ -13,11 +13,15 @@
       psk: "{{ wifipasswd }}"
     autoconnect: true
     state: present
-  when: not run_in_installer|default(false)|bool
+  when: |
+    not run_in_installer|default(false)|bool and
+    ansible_interfaces | select('search', 'wl.+') | first is defined
 
 - name: Provide WLAN config during installation
   template:
     src: ssid.nmconnection.j2
     dest: "/etc/NetworkManager/system-connections/{{ ssid }}.nmconnection"
     mode: '0600'
-  when: run_in_installer|default(false)|bool
+  when: |
+    run_in_installer|default(false)|bool and
+    ansible_interfaces | select('search', 'wl.+') | first is defined