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

Change-Id: I7721a28de3b694a79493171f25f5497696b3b5c3
(cherry picked from commit 868131c6edc9eda73a31bf218ea63c3d93075592)
diff --git a/.gitreview b/.gitreview
index a5311ab..13395d8 100644
--- a/.gitreview
+++ b/.gitreview
@@ -3,3 +3,4 @@
 port=29418
 project=voltha-openolt-adapter.git
 defaultremote=origin
+defaultbranch=voltha-2.3
diff --git a/VERSION b/VERSION
index 3b31fa0..70c0eb4 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.3.21
+2.3.22-dev
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)
 		}
 	}