--- /usr/share/foreman/app/views/unattended/provisioning_templates/snippet/preseed_netplan_generic_interface.erb.orig   2022-04-20 12:10:32.734819121 +0200
+++ /usr/share/foreman/app/views/unattended/provisioning_templates/snippet/preseed_netplan_generic_interface.erb        2022-04-20 12:23:26.465237765 +0200
@@ -7,7 +7,9 @@
 oses:
 - Ubuntu
 -%>
-    <%= @interface.identifier %>:
+    id0:
+        match:
+            macaddress: <%= @host.mac %>
         dhcp4: <%= @dhcp %>
         dhcp6: <%= @dhcp6 %>
 <%- if !@dhcp && !@subnet.nil? && !@interface.ip.nil? -%>