NS_SERVER_DOWN
else if (info->sinfo[0].change == NS_SERVER_DOWN)
else if (st == NS_SERVER_DOWN)
info->sinfo[0].change = NS_SERVER_DOWN;
changed = NS_SERVER_DOWN;
if (changed == NS_SERVER_DOWN)
info->sinfo[1].change = NS_SERVER_DOWN;
if (chg->changes[i] != NS_SERVER_DOWN)
status[ds_cnt] = NS_SERVER_DOWN;