IBT_CM_CLOSED_STALE
case IBT_CM_CLOSED_STALE:
case IBT_CM_CLOSED_STALE: /* stale / unref connection */
event.cm_event.closed = IBT_CM_CLOSED_STALE;
*statep->close_ret_status = IBT_CM_CLOSED_STALE;
event.cm_event.closed = IBT_CM_CLOSED_STALE;