for _, podName := range podNames {
				if len(destLoggerLevels) == 0 {
					resp, err = setupEnvoyLogConfig(kubeClient, "", podName, podNamespace)
				} else {
					if ll, ok := destLoggerLevels[defaultLoggerName]; ok {
						// update levels of all loggers first
						resp, err = setupEnvoyLogConfig(kubeClient, defaultLoggerName+"="+levelToString[ll], podName, podNamespace)
					}