VOL-381 add unum container to support ONOS cluster formation under swarm

Change-Id: Ic260edda19bb199ed040f05164ab605f28c919d0
diff --git a/unum/vendor/golang.org/x/net/internal/socket/msghdr_linux_32bit.go b/unum/vendor/golang.org/x/net/internal/socket/msghdr_linux_32bit.go
new file mode 100644
index 0000000..9f671ae
--- /dev/null
+++ b/unum/vendor/golang.org/x/net/internal/socket/msghdr_linux_32bit.go
@@ -0,0 +1,20 @@
+// 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 arm mips mipsle 386
+// +build linux
+
+package socket
+
+import "unsafe"
+
+func (h *msghdr) setIov(vs []iovec) {
+	h.Iov = &vs[0]
+	h.Iovlen = uint32(len(vs))
+}
+
+func (h *msghdr) setControl(b []byte) {
+	h.Control = (*byte)(unsafe.Pointer(&b[0]))
+	h.Controllen = uint32(len(b))
+}