VOL-1643 Update voltha-go to use voltha-protos and voltha-lib-go v3.0.0

Change-Id: I86744943d59de38e9285ed7f53adc49c3b047e62
diff --git a/db/model/node.go b/db/model/node.go
index 57f67d3..3bead57 100644
--- a/db/model/node.go
+++ b/db/model/node.go
@@ -28,7 +28,7 @@
 	"time"
 
 	"github.com/golang/protobuf/proto"
-	"github.com/opencord/voltha-lib-go/v2/pkg/log"
+	"github.com/opencord/voltha-lib-go/v3/pkg/log"
 )
 
 // When a branch has no transaction id, everything gets stored in NONE