+a8 = e:option(Value, "adb_probeipv4", translate("IPv4 address used for uplink online check"))
+a8.optional = true
+a8.rmempty = true
+a8.default = "8.8.8.8"
+a8.datatype = "ip4addr"
+
+a9 = e:option(Value, "adb_probeipv6", translate("IPv6 address used for uplink online check"))
+a9.optional = true
+a9.rmempty = true
+a9.default = "2001:4860:4860::8888"
+a9.datatype = "ip6addr"
+