diff --git a/unum/vendor/golang.org/x/net/internal/socket/rawconn_nommsg.go b/unum/vendor/golang.org/x/net/internal/socket/rawconn_nommsg.go
new file mode 100644
index 0000000..f78832a
--- /dev/null
+++ b/unum/vendor/golang.org/x/net/internal/socket/rawconn_nommsg.go
@@ -0,0 +1,18 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build go1.9
+// +build !linux
+
+package socket
+
+import "errors"
+
+func (c *Conn) recvMsgs(ms []Message, flags int) (int, error) {
+	return 0, errors.New("not implemented")
+}
+
+func (c *Conn) sendMsgs(ms []Message, flags int) (int, error) {
+	return 0, errors.New("not implemented")
+}