https://bugzilla.redhat.com/show_bug.cgi?id=1098120
--- Comment #12 from Daniel Walsh dwalsh@redhat.com --- I have pushed an updated libselinux for rhel6.6 into
http://people.redhat.com/dwalsh/SELinux/RHEL6
If you install this version of libselinux into your rhel6 base image, I believe the useradd/groupadd problems will go away. We plan on adding this version to any docker images for rhel6 that we ship even prior to the release of rhel6.6.