[VOL-3655] Hardening: Cope with vendor-specific error-results of ONUs due to unsupported OMCI-MEs
[VOL-3642] Optimize logging with level "info" used for scale test
plus minor refactorizations

Change-Id: Ib2127048dc11bba55632494fb8aa77355b958900
diff --git a/internal/pkg/onuadaptercore/mib_download.go b/internal/pkg/onuadaptercore/mib_download.go
index 74881f8..48abc65 100644
--- a/internal/pkg/onuadaptercore/mib_download.go
+++ b/internal/pkg/onuadaptercore/mib_download.go
@@ -60,7 +60,7 @@
 }
 
 func (onuDeviceEntry *OnuDeviceEntry) enterBridgeInitState(e *fsm.Event) {
-	logger.Infow("MibDownload FSM - starting bridge config port loop", log.Fields{
+	logger.Debugw("MibDownload FSM - starting bridge config port loop", log.Fields{
 		"in state": e.FSM.Current(), "device-id": onuDeviceEntry.deviceID})
 	go onuDeviceEntry.performInitialBridgeSetup()
 }
@@ -124,7 +124,7 @@
 		case TestMsg:
 			msg, _ := message.Data.(TestMessage)
 			if msg.TestMessageVal == AbortMessageProcessing {
-				logger.Infow("MibDownload abort ProcessMsg", log.Fields{"for device-id": onuDeviceEntry.deviceID})
+				logger.Debugw("MibDownload abort ProcessMsg", log.Fields{"for device-id": onuDeviceEntry.deviceID})
 				break loop
 			}
 			logger.Warnw("MibDownload unknown TestMessage", log.Fields{"device-id": onuDeviceEntry.deviceID, "MessageVal": msg.TestMessageVal})
@@ -137,7 +137,7 @@
 		}
 
 	}
-	logger.Infow("End MibDownload Msg processing", log.Fields{"for device-id": onuDeviceEntry.deviceID})
+	logger.Debugw("End MibDownload Msg processing", log.Fields{"for device-id": onuDeviceEntry.deviceID})
 }
 
 func (onuDeviceEntry *OnuDeviceEntry) handleOmciMibDownloadMessage(msg OmciMessage) {