IS_FLUSH_RDISC
if ((ifp->int_state & (IS_SUPPRESS_RDISC|IS_FLUSH_RDISC)) ==
ifp->int_state &= ~IS_FLUSH_RDISC;
ifp->int_state |= (IS_SUPPRESS_RDISC|IS_FLUSH_RDISC);
ifp->int_state &= ~(IS_SUPPRESS_RDISC|IS_FLUSH_RDISC);
{ IS_FLUSH_RDISC, 0, "FLUSH_RDISC" },