VOL-4697: Fixes for rolling update case

Change-Id: I4c529ed8ec90013be0dd953ba4b2bf5708872e63
diff --git a/rw_core/main.go b/rw_core/main.go
index 8a9675d..715285d 100644
--- a/rw_core/main.go
+++ b/rw_core/main.go
@@ -140,5 +140,6 @@
 	core.Stop(shutdownCtx)
 
 	elapsed := time.Since(start)
+
 	logger.Infow(ctx, "rw-core-run-time", log.Fields{"core": instanceID, "time": elapsed / time.Second})
 }