TL_OFF
{"opackets", TL_OFF(tl_opackets)},
{"obytes", TL_OFF(tl_obytes)},
{"blockcnt", TL_OFF(tl_blockcnt)},
{"unblockcnt", TL_OFF(tl_unblockcnt)},
{"txsdrops", TL_OFF(tl_sdrops)}