+ r = sd_bus_message_append(reply, "{sa{sv}}", "org.freedesktop.DBus.Peer", 0);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "{sa{sv}}", "org.freedesktop.DBus.Introspectable", 0);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "{sa{sv}}", "org.freedesktop.DBus.Properties", 0);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "{sa{sv}}", "org.freedesktop.DBus.ObjectManager", 0);
+ if (r < 0)
+ return r;
+