It looks like you're reporting this bug against RHEL7 based on the package names you listed.
On the neutron master branch this works as expected:
$ neutron purge 123456
Tenant has no supported resources.
If you can reproduce this on a stable branch then it could just be a backport is in order.
It looks like you're reporting this bug against RHEL7 based on the package names you listed.
On the neutron master branch this works as expected:
$ neutron purge 123456
Tenant has no supported resources.
If you can reproduce this on a stable branch then it could just be a backport is in order.