[VOL-2845]: Fix concurrent access of SouthBoundPort data in statsmanager module

Change-Id: I7721a28de3b694a79493171f25f5497696b3b5c3
diff --git a/internal/pkg/core/statsmanager.go b/internal/pkg/core/statsmanager.go
index 31f9804..3545b7d 100755
--- a/internal/pkg/core/statsmanager.go
+++ b/internal/pkg/core/statsmanager.go
@@ -457,7 +457,7 @@
 			mutex.Lock()
 			StatMgr.SouthBoundPort[i] = &portPonStat
 			mutex.Unlock()
-			logger.Debugf("Received-PON-Stats-for-Port %v : %v", i, StatMgr.SouthBoundPort[i])
+			logger.Debugf("Received-PON-Stats-for-Port %v : %v", i, portPonStat)
 		}
 	}