/**
* Function called whenever an inbound tunnel is destroyed. Should clean up
- * any associated state.
+ * any associated state. This function is NOT called if the client has
+ * explicitly asked for the tunnel to be destroyed using
+ * GNUNET_MESH_tunnel_destroy.
*
* @param cls closure (set from GNUNET_MESH_connect)
* @param tunnel connection to the other end (henceforth invalid)