SFL_DOOMED
if (t4_fl_not_running_low(fl) || fl->sfl_flags & SFL_DOOMED) {
if ((fl->sfl_flags & (SFL_DOOMED | SFL_STARVING)) == 0) {
rxq->fl.sfl_flags &= ~SFL_DOOMED;
rxq->fl.sfl_flags |= SFL_DOOMED;