diff --git a/unum/vendor/golang.org/x/net/internal/nettest/helper_nobsd.go b/unum/vendor/golang.org/x/net/internal/nettest/helper_nobsd.go
new file mode 100644
index 0000000..bc7da5e
--- /dev/null
+++ b/unum/vendor/golang.org/x/net/internal/nettest/helper_nobsd.go
@@ -0,0 +1,15 @@
+// Copyright 2016 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 linux solaris
+
+package nettest
+
+func supportsIPv6MulticastDeliveryOnLoopback() bool {
+	return true
+}
+
+func causesIPv6Crash() bool {
+	return false
+}