next_event
sc->mly_event_waiting, sc->mly_mmbox->mmm_health.status.next_event);
sc->mly_event_waiting = sc->mly_mmbox->mmm_health.status.next_event;
sc->mly_event_waiting = mh->next_event;
sc->mly_event_counter = mh->next_event;
debug(1, "initial change counter %d, event counter %d", mh->change_counter, mh->next_event);
u_int32_t next_event;
next_event(&p);