[VOL-3837] Checking that OnuId, AllocId and GemPorts are unique per PON
Validate that received flow carry valid GemPortId and AllocIds

Change-Id: I1b8928c7a9e580c9711f61320595a449df7c30f5
diff --git a/internal/common/logger.go b/internal/common/logger.go
index cc6e48d..ce17bb5 100644
--- a/internal/common/logger.go
+++ b/internal/common/logger.go
@@ -21,6 +21,11 @@
 func SetLogLevel(logger *log.Logger, level string, caller bool) {
 
 	logger.SetReportCaller(caller)
+	Formatter := new(log.TextFormatter)
+	Formatter.TimestampFormat = "2006-01-02T15:04:05.999999999Z07:00"
+	Formatter.FullTimestamp = true
+	//Formatter.ForceColors = true
+	logger.SetFormatter(Formatter)
 
 	switch level {
 	case "trace":