libs/ip: return a copy of given tables in __mask16() to avoid destroying them later
libs/ip: return a copy of given tables in __mask16() to avoid destroying them later


deepak78/luci,deepak78/luci,deepak78/luci,8devices/luci,8devices/luci,deepak78/luci,8devices/luci,8devices/luci,deepak78/luci,deepak78/luci,deepak78/luci,8devices/luci,8devices/luci,deepak78/luci