ND_KERBFULL
#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL)
if (nd->nd_flag & ND_KERBFULL) {
nd->nd_flag |= ND_KERBFULL;
nfsd->nfsd_nd->nd_flag |= ND_KERBFULL;
nfsd->nfsd_nd->nd_flag |= ND_KERBFULL;