If user specifies --read-only flag it should not effect /dev/mqueue.
This is causing SELinux issues in docker-1.10. --read-only blows up
on SELinux enabled machines. Mounting /dev/mqueue read/only would also
blow up any tool that was going to use /dev/mqueue.
Signed-off-by: Dan Walsh <dwalsh@redhat.com>
Upstream-commit: adb2e3fedc76fbaecce0d75a29aa0d419be5c4c2
Component: engine