Jordan Liggitt of Red Hat reports:
The OpenShift Enterprise 3 router sometimes selects new routes over old routes
when determining claimed hostnames. This can result in a new route improperly
overwriting an older route.
Name: Jordan Liggitt (Red Hat)
This issue has been addressed in the following products:
Red Hat OpenShift Container Platform 3.3
Via RHSA-2016:2696 https://access.redhat.com/errata/RHSA-2016:2696