Verified in openstack-neutron-common-9.3.1-2.el7ost.noarch
Created a network and subnet on the host with 3 controllers, so 3 ports were created for that network
Removed the subnet without any exception when all 3 ports were removed automatically as expected
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2017:1594