ND6_IFF_PERFORMNUD
DEF_CMD("nud", ND6_IFF_PERFORMNUD, setnd6flags),
DEF_CMD("-nud", -ND6_IFF_PERFORMNUD, setnd6flags),
nd->nd_flags = ND6_IFF_PERFORMNUD;
if ((ndi->nd_flags & ND6_IFF_PERFORMNUD) != 0) {
SETFLAG("nud", ND6_IFF_PERFORMNUD);
if ((ND.flags & ND6_IFF_PERFORMNUD))