hxge_link_poll
hxgep->timeout.id = timeout(hxge_link_poll, (void *)hxgep,
static void hxge_link_poll(void *arg);
hxgep->timeout.id = timeout(hxge_link_poll, (void *)hxgep,
to->id = timeout(hxge_link_poll, arg, to->ticks);