lk_new_lock_seqid
lo->lo_owner.so_seqid = lock->lk_new_lock_seqid;
lock->lk_new_lock_seqid != lo->lo_owner.so_seqid)
if (xdr_stream_decode_u32(argp->xdr, &lock->lk_new_lock_seqid) < 0)