expectedString:   "unrecognized logging level: xxx",
			wantException:    true,
		},
		{ // logger name invalid
			execClientConfig: loggingConfig,
			args:             strings.Split("log details-v1-5b7f94f9bc-wp5tb --level xxx:debug", " "),
			expectedString:   "unrecognized logger name: xxx",
			wantException:    true,
		},
		{ // logger name valid, but logging level invalid
			execClientConfig: loggingConfig,