don't try to backup /run/udev

plays/nas-services.yml

@@ -19,7 +19,7 @@
       - smb
 
     backups: containers
-    backups_ignore: /mergerfs
+    backups_ignore: /mergerfs /run/udev
 
     container_user: "{{ vaulted_media_user }}"
     container_uid: "{{ vaulted_media_uid }}"