gRPC migration

Change-Id: I3129ae27d7ee12a23c7046f0d877e8064f2fd7f4
diff --git a/internal/core/watcher.go b/internal/core/watcher.go
index eb328e1..125edeb 100644
--- a/internal/core/watcher.go
+++ b/internal/core/watcher.go
@@ -21,7 +21,7 @@
 	"encoding/json"
 	"fmt"
 	"github.com/opencord/bbsim-sadis-server/internal/utils"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v7/pkg/log"
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/watch"