diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/log/log.go b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/log/log.go
index b8d498c..7b1a123 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/log/log.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/log/log.go
@@ -54,11 +54,12 @@
 	"context"
 	"errors"
 	"fmt"
-	zp "go.uber.org/zap"
-	zc "go.uber.org/zap/zapcore"
 	"path"
 	"runtime"
 	"strings"
+
+	zp "go.uber.org/zap"
+	zc "go.uber.org/zap/zapcore"
 )
 
 type LogLevel int8
@@ -217,7 +218,7 @@
 	case FatalLevel:
 		return "FATAL", nil
 	}
-	return "", errors.New("Given LogLevel is invalid " + string(l))
+	return "", fmt.Errorf("Given LogLevel is invalid %d", l)
 }
 
 func getDefaultConfig(outputType string, level LogLevel, defaultFields Fields) zp.Config {
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 7137959..44c4f7e 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -24,8 +24,10 @@
 github.com/googleapis/gnostic/extensions
 github.com/googleapis/gnostic/openapiv2
 # github.com/gorilla/mux v1.8.0
+## explicit
 github.com/gorilla/mux
 # github.com/imdario/mergo v0.3.11
+## explicit
 github.com/imdario/mergo
 # github.com/json-iterator/go v1.1.10
 github.com/json-iterator/go
@@ -33,7 +35,8 @@
 github.com/modern-go/concurrent
 # github.com/modern-go/reflect2 v1.0.1
 github.com/modern-go/reflect2
-# github.com/opencord/voltha-lib-go/v4 v4.0.3
+# github.com/opencord/voltha-lib-go/v4 v4.2.3
+## explicit
 github.com/opencord/voltha-lib-go/v4/pkg/log
 # github.com/opentracing/opentracing-go v1.1.0
 github.com/opentracing/opentracing-go
@@ -142,12 +145,14 @@
 # gopkg.in/yaml.v2 v2.3.0
 gopkg.in/yaml.v2
 # gotest.tools v2.2.0+incompatible
+## explicit
 gotest.tools/assert
 gotest.tools/assert/cmp
 gotest.tools/internal/difflib
 gotest.tools/internal/format
 gotest.tools/internal/source
 # k8s.io/api v0.19.0
+## explicit
 k8s.io/api/admissionregistration/v1
 k8s.io/api/admissionregistration/v1beta1
 k8s.io/api/apps/v1
@@ -190,6 +195,7 @@
 k8s.io/api/storage/v1alpha1
 k8s.io/api/storage/v1beta1
 # k8s.io/apimachinery v0.19.0
+## explicit
 k8s.io/apimachinery/pkg/api/errors
 k8s.io/apimachinery/pkg/api/meta
 k8s.io/apimachinery/pkg/api/resource
@@ -226,6 +232,7 @@
 k8s.io/apimachinery/pkg/watch
 k8s.io/apimachinery/third_party/forked/golang/reflect
 # k8s.io/client-go v0.19.0
+## explicit
 k8s.io/client-go/discovery
 k8s.io/client-go/kubernetes
 k8s.io/client-go/kubernetes/scheme