Use github.com/pkg/errors

Signed-off-by: Lantao Liu <lantaol@google.com>

cli/cli.go

@@ -51,7 +51,7 @@ var loadCommand = cli.Command{
 		)
 		cl, err := client.NewCRIContainerdClient(address, timeout)
 		if err != nil {
-			return fmt.Errorf("failed to create grpc client: %v", err)
+			return errors.Wrap(err, "failed to create grpc client")
 		}
 		if timeout > 0 {
 			ctx, cancel = gocontext.WithTimeout(gocontext.Background(), timeout)