NDF_ANYCAST_ON
if (flags & NDF_ANYCAST_ON) {
nd_attrs.lnr_flags |= NDF_ANYCAST_ON;
lnr->lnr_flags |= NDF_ANYCAST_ON;
switch (inflags & (NDF_ANYCAST_ON|NDF_ANYCAST_OFF)) {
case NDF_ANYCAST_ON:
case (NDF_ANYCAST_OFF|NDF_ANYCAST_ON):