taskqgroup_detach
taskqgroup_detach(qgroup_softirq, &tw->gtask);
taskqgroup_detach(qgroup_wg_tqg, &sc->sc_handshake);
taskqgroup_detach(qgroup_wg_tqg, &sc->sc_encrypt[i]);
taskqgroup_detach(qgroup_wg_tqg, &sc->sc_decrypt[i]);
taskqgroup_detach(qgroup_wg_tqg, &peer->p_recv);
taskqgroup_detach(qgroup_wg_tqg, &peer->p_send);
taskqgroup_detach(tqg, &txq->ift_task);
taskqgroup_detach(tqg, &rxq->ifr_task);
void taskqgroup_detach(struct taskqgroup *qgroup, struct grouptask *gtask);