Comment 4 for bug 1514464

There is a neutron config option "max_fixed_ips_per_port = 5". So when creating more then 5 dhcp enabled subnets in one neutron network we're exceeding this limit for dhcp port. Can you please check if this is the case, does the scenario create > 5 dhcp enabled subnets?

https://review.openstack.org/#/c/160214/ is currently on review in upstream to fix the problem.