Occasionally pods fails to start and the message "SELinux: mount invalid. Same superblock, different security settings for (dev dm-N, type xfs) is seen in the logs

Issue

• Occasionally pods fails to start and the message "SELinux: mount invalid. Same superblock, different security settings for (dev dm-N, type xfs) is seen in the logs. From the logs

Apr 06 14:49:45 localhost kernel: SELinux: mount invalid.  Same superblock, different security settings for (dev dm-9, type xfs)
Apr 06 14:49:45 localhost docker[3946]: time="2016-04-06T14:49:45.272036708+02:00" level=error msg="Error unmounting device ac58004eea05c383f6bd633f6822a182f17d073a0fe36bf4c87f522224a02c7d: UnmountDevice: device not-mounted id ac58004eea05c383f6bd633f6822a182f17d073a0fe36bf4c87f522224a02c7d"
Apr 06 14:49:45 localhost docker[3946]: time="2016-04-06T14:49:45.272224632+02:00" level=error msg="HTTP Error" err="Cannot start container ac58004eea05c383f6bd633f6822a182f17d073a0fe36bf4c87f522224a02c7d: Error getting container ac58004eea05c383f6bd633f6822a182f17d073a0fe36bf4c87f522224a02c7d from driver devicemapper: Error mounting '/dev/mapper/docker-253:0-68067266-ac58004eea05c383f6bd633f6822a182f17d073a0fe36bf4c87f522224a02c7d' on '/var/lib/docker/devicemapper/mnt/ac58004eea05c383f6bd633f6822a182f17d073a0fe36bf4c87f522224a02c7d': invalid argument" statusCode=500