ND6_IFF_NO_PREFER_IFACE
DEF_CMD("no_prefer_iface",ND6_IFF_NO_PREFER_IFACE,setnd6flags),
DEF_CMD("-no_prefer_iface",-ND6_IFF_NO_PREFER_IFACE,setnd6flags),
if (!(ifp->if_inet6->nd_flags & ND6_IFF_NO_PREFER_IFACE)) {
#ifdef ND6_IFF_NO_PREFER_IFACE
SETFLAG("no_prefer_iface", ND6_IFF_NO_PREFER_IFACE);
#ifdef ND6_IFF_NO_PREFER_IFACE
if ((ND.flags & ND6_IFF_NO_PREFER_IFACE))