common.attach(cmd)
	cmd.PersistentFlags().BoolVarP(&reset, "reset", "r", reset, "Reset levels to default value (warning).")
	cmd.PersistentFlags().StringVar(&loggerLevelString, "level", loggerLevelString,
		fmt.Sprintf("Comma-separated minimum per-logger level of messages to output, in the form of"+
			" [<logger>:]<level>,[<logger>:]<level>,... or <level> to change all active loggers, "+