From cab342f0de2818564a84358d54fc599f2c45c44f Mon Sep 17 00:00:00 2001
From: Dan Walsh <dwalsh@redhat.com>
Date: Mon, 28 Sep 2015 11:02:37 -0400
Subject: [PATCH] Check for failure on /dev/mqueue and try again without
 labeling

Signed-off-by: Dan Walsh <dwalsh@redhat.com>
---
 libcontainer/rootfs_linux.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libcontainer/rootfs_linux.go b/libcontainer/rootfs_linux.go
index f13c9fbad..b801fafc8 100644
--- a/libcontainer/rootfs_linux.go
+++ b/libcontainer/rootfs_linux.go
@@ -113,7 +113,10 @@ func mountToRootfs(m *configs.Mount, rootfs, mountLabel string) error {
 			return err
 		}
 		if err := mountPropagate(m, rootfs, mountLabel); err != nil {
-			return err
+			// older kernels do not support labeling of /dev/mqueue
+			if err := mountPropagate(m, rootfs, ""); err != nil {
+				return err
+			}
 		}
 		return label.SetFileLabel(dest, mountLabel)
 	case "tmpfs":