public static void SetOption(this MigInterface iface, string option, string value)
        {
            MigService.Log.Trace("{0}: {1}={2}", iface.GetDomain(), option, value);
            var opt = iface.GetOption(option);

            if (opt == null)
            {
                opt = new Option(option);
                iface.Options.Add(opt);
            }
            opt.Value = value;
            iface.OnSetOption(opt);
        }