gRPC migration

Change-Id: I3129ae27d7ee12a23c7046f0d877e8064f2fd7f4
diff --git a/internal/core/common.go b/internal/core/common.go
index 0d360ad..4f65a16 100644
--- a/internal/core/common.go
+++ b/internal/core/common.go
@@ -16,7 +16,7 @@
 
 package core
 
-import "github.com/opencord/voltha-lib-go/v4/pkg/log"
+import "github.com/opencord/voltha-lib-go/v7/pkg/log"
 
 var logger log.CLogger