snapshot: implement snapshot unit logic

1 files changed, 1 insertions, 0 deletions

diff --git a/device.c b/device.c
index f906fd5002..a9b003c664 100644
--- a/device.c
+++ b/device.c
@@ -451,6 +451,7 @@ const UnitVTable device_vtable = {
 
         .no_requires = true,
         .no_instances = true,
+        .no_snapshots = true,
 
         .init = device_init,
         .load = unit_load_fragment_and_dropin_optional,