callout_drain
callout_drain(&sc->xl_tick_callout);
callout_drain(&sc->alc_tick_ch);
callout_drain(&sc->ale_tick_ch);
callout_drain(&sc->age_tick_ch);
callout_drain(&sc->tick_ch);
callout_drain(&sc->bfe_stat_co);
callout_drain(&sc->bge_stat_ch);
callout_drain(&sc->dc_stat_ch);
callout_drain(&sc->dc_wdog_ch);
callout_drain(&sc->stat_ch);
callout_drain(&sc->jme_tick_ch);
callout_drain(&sc_if->msk_tick_ch);
callout_drain(&sc->nfe_stat_ch);
callout_drain(&sc->sc_wdog_ch);
callout_drain(&sc->pcn_stat_callout);
callout_drain(&sc->vte_tick_ch);
callout_drain(&sc->rl_stat_callout);
callout_drain(&sc->rl_stat_callout);
callout_drain(&sc->sge_stat_ch);
callout_drain(&sc->sis_stat_ch);
callout_drain(&sc_if->sk_tick_ch);
callout_drain(&sc_if->sk_watchdog_ch);
callout_drain(&sc->vr_stat_callout);
callout_drain(&sc->vge_watchdog);
callout_drain(&sc->an_stat_ch);
callout_drain(&sc->sc_led_blink_ch);
callout_drain(&sc->sc_calib_ch);
callout_drain(&sc->sc_watchdog_timer);
callout_drain(&sc->sc_wdtimer);
callout_drain(&sc->watchdog_to);
callout_drain(&sc->scan_timeout);
callout_drain(&sc->calib_to);
callout_drain(&sc->malo_watchdog_timer);
callout_drain(&sc->sc_watchdog);
callout_drain(&uvp->tsf_sync_adhoc);
callout_drain(&txq->ift_timer);
callout_drain(&txq->ift_netmap_timer);
#define usb_callout_drain(c) callout_drain(&(c)->co)
callout_drain(&timeout_task->c);
callout_drain(&dfs->nol_timer);
callout_drain(&hs->hs_roottimer);
callout_drain(&hs->hs_roottimer);
callout_drain(&hs->hs_roottimer);
callout_drain(&ni->ni_mltimer);
callout_drain(&ni->ni_mltimer);
callout_drain(&ni->ni_mlhtimer);
callout_drain(&rt->rt_discovery);
callout_drain(&ms->ms_gatetimer);
callout_drain(&ni->ni_mltimer);
callout_drain(&ms->ms_cleantimer);
callout_drain(&ms->ms_cleantimer);
callout_drain(&ms->ms_gatetimer);
callout_drain(&ic->ic_inact);