cmd.PersistentFlags().StringVar(&logLevel,"log-level",defaultLogLevel,tr("Messages with this level and above will be logged. Valid levels are: %s",strings.Join(validLogLevels,", ")))
cmd.PersistentFlags().StringVar(&logLevel,"log-level",defaultLogLevel,tr("Messages with this level and above will be logged. Valid levels are: %s",strings.Join(validLogLevels,", ")))