Neutron-dynamic-routing tempest tests can't be run all in one job

[Slawek Kaplonski]

Scenario tests for neutron-dynamic-routing can't be run all in one job with single "tempest run" command.
It is like that because for each class of scenario tests: "base", "ipv4" an "ipv6" there is created bridge and docker network, see for example https://github.com/openstack/neutron-dynamic-routing/blob/master/neutron_dynamic_routing/tests/tempest/scenario/basic/base.py#L71 and for each class of those tests there is always same subnet used.
That cause problems with docker which returns errors like:

2019-07-17 21:03:40.947 7349 INFO os_ken.tests.integrated.common.docker_base [-] sudo docker network create --driver bridge --gateway 192.168.10.1 --subnet 192.168.10.0/24 br-docker-basic
2019-07-17 21:03:40.952 7349 ERROR os_ken.tests.integrated.common.docker_base [-] stdout:
2019-07-17 21:03:40.952 7349 ERROR os_ken.tests.integrated.common.docker_base [-] stderr: Error response from daemon: Pool overlaps with other one on this address space

[Slawek Kaplonski (slaweq)]

This seems to be fixed already. All tests are run in one job currently.