local dnsserver = s["dns_server"] or ""
local force_ipversion = tonumber(s["force_ipversion"] or 0)
local force_dnstcp = tonumber(s["force_dnstcp"] or 0)
local dnsserver = s["dns_server"] or ""
local force_ipversion = tonumber(s["force_ipversion"] or 0)
local force_dnstcp = tonumber(s["force_dnstcp"] or 0)