+ /* It's not a bug if we can't deserialize the control message - for
+ * example, the control message may be be discarded if it is deemed
+ * empty, see e.g.
+ *
+ * http://git.gnome.org/browse/glib/commit/?id=ec91ed00f14c70cca9749347b8ebc19d72d9885b
+ *
+ * Therefore, it's not appropriate to print a warning about not
+ * being able to deserialize the message.
+ */