xskq_nb_invalid_descs
stats.rx_invalid_descs = xskq_nb_invalid_descs(xs->rx);
stats.tx_invalid_descs = xskq_nb_invalid_descs(xs->tx);
du.n_rx_invalid = xskq_nb_invalid_descs(xs->rx);
du.n_tx_invalid = xskq_nb_invalid_descs(xs->tx);