[Bug 1112748] Selinux prevents docker-io from updating /etc/passwd within a container

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1112748

--- Comment #1 from Aurelien Marchand  ---
one more details, I opened this bug based on the exchange I had with Daniel
Walsh for Bug 1096123. See comment #35 and onward
(https://bugzilla.redhat.com/show_bug.cgi?id=1096123#c35).