diff --git a/TODO b/TODO
index 5d6fd30419..bb921cf07b 100644
--- a/TODO
+++ b/TODO
@@ -122,6 +122,7 @@ Features:
   ReadOnlyDirectories=... for whitelisting files for a service.
 
 * libsystemd-bus:
+  - let the activator peek the peer connection with KDBUS_CMD_MSG_SRC and log it
   - when kdbus doesn't take our message without memfds, try again with memfds
   - implement monitor logic
   - see if we can drop more message validation on the sending side