in logger/fluentd/logger.go [111:120]
func getFluentdConfig(args *Args) map[string]string {
config := make(map[string]string)
config[tagKey] = args.Tag
config[AddressKey] = args.Address
config[AsyncConnectKey] = args.AsyncConnect
config[SubsecondPrecisionKey] = args.SubsecondPrecision
config[BufferLimitKey] = args.BufferLimit
return config
}