NAT_TAB_WATER_LEVEL
if (NAT_TAB_WATER_LEVEL(ifs) <=
if (NAT_TAB_WATER_LEVEL(ifs) <=
if (NAT_TAB_WATER_LEVEL(ifs) > ifs->ifs_nat_flush_level_hi)
if (NAT_TAB_WATER_LEVEL(ifs) > ifs->ifs_nat_flush_level_hi)
if (NAT_TAB_WATER_LEVEL(ifs) > ifs->ifs_nat_flush_level_hi)
if (NAT_TAB_WATER_LEVEL(ifs) > ifs->ifs_nat_flush_level_hi)