fix(configuration): omit interface-name when not explicitly provided to avoid predictable naming mismatch

roles/configuration/tasks/network_nm.yml

@@ -2,12 +2,7 @@
 - name: Copy NetworkManager keyfile per interface
   vars:
     configuration_iface: "{{ item }}"
-    configuration_iface_name: >-
+    configuration_iface_name: "{{ item.name | default('') }}"
-      {{
-        item.name
-        if (item.name | default('') | string | length) > 0
-        else (configuration_detected_interfaces[idx] | default('eth' ~ idx))
-      }}
     configuration_net_uuid: "{{ ('LAN-' ~ idx ~ '-' ~ hostname) | ansible.builtin.to_uuid }}"
   ansible.builtin.template:
     src: network.j2

roles/configuration/templates/network.j2

@@ -2,7 +2,10 @@
 id=LAN-{{ idx }}
 uuid={{ configuration_net_uuid }}
 type=ethernet
+autoconnect-priority=10
+{% if configuration_iface_name | length > 0 %}
 interface-name={{ configuration_iface_name }}
+{% endif %}
 
 [ipv4]
 {% set iface = configuration_iface %}

roles/global_defaults/tasks/_normalize_system.yml

@@ -41,7 +41,7 @@
             if (system_raw.network.interfaces | default([]) | length > 0)
             else (
               [{
-                'name': 'eth0',
+                'name': '',
                 'bridge': system_raw.network.bridge | default('') | string,
                 'vlan': system_raw.network.vlan | default('') | string,
                 'ip': system_raw.network.ip | default('') | string,