Test access control for single host addresses

In CIDR notation, the max prefix-length is typically
used to denote individual host addresses, for example:
2620:52:0:13b8::fe:e7 and 2620:52:0:13b8::fe:e7/128
are semantically the same.

Test the fix submitted in
I6e790fd0edd82064a3c5cda8a919c9eeb2da85d0

Depends-On: https://review.openstack.org/#/c/568364/
Depends-On: https://review.openstack.org/#/c/568650
Change-Id: Ife0db1db1b3c1efc99b34da972701cf6011e907a
Related-Bug: 1767430
2 files changed