Another machine-id file, used by D-Bus.
---
 sysprep/sysprep_operation_machine_id.ml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sysprep/sysprep_operation_machine_id.ml
b/sysprep/sysprep_operation_machine_id.ml
index 190ca5b..dbf8ce2 100644
--- a/sysprep/sysprep_operation_machine_id.ml
+++ b/sysprep/sysprep_operation_machine_id.ml
@@ -24,7 +24,8 @@ module G = Guestfs
 let machine_id_perform (g : Guestfs.guestfs) root side_effects =
   let typ = g#inspect_get_type root in
   if typ <> "windows" then (
-    let paths = [ "/etc/machine-id"; ] in
+    let paths = [ "/etc/machine-id";
+                  "/var/lib/dbus/machine-id"; ] in
     let paths = List.filter g#is_file paths in
     List.iter g#truncate paths
   )
-- 
2.1.0