Unable to run unit tests with regex

[hongbin]

$ tox -epy27 kuryr_libnetwork.tests.unit.test_kuryr_ipam.TestKuryrIpam

...
py27 runtests: commands[0] | find . -type f -name '*.py[c|o]' -delete
py27 runtests: commands[1] | /opt/stack/kuryr-libnetwork/tools/ostestr_compat_shim.sh kuryr_libnetwork.tests.unit.test_kuryr_ipam.TestKuryrIpam
usage: stestr run [-h] [--failing] [--serial] [--concurrency CONCURRENCY]
                  [--load-list LOAD_LIST] [--partial] [--subunit]
                  [--until-failure] [--analyze-isolation] [--isolated]
                  [--worker-file WORKER_PATH]
                  [--blacklist-file BLACKLIST_FILE]
                  [--whitelist-file WHITELIST_FILE]
                  [--black-regex BLACK_REGEX] [--no-discover TEST_ID]
                  [--random] [--combine] [--no-subunit-trace]
                  [--force-subunit-trace] [--color] [--slowest] [--abbreviate]
                  [--suppress-attachments]
                  [filters [filters ...]]
stestr run: error: unrecognized arguments: --regex
ERROR: InvocationError for command '/opt/stack/kuryr-libnetwork/tools/ostestr_compat_shim.sh kuryr_libnetwork.tests.unit.test_kuryr_ipam.TestKuryrIpam' (exited with code 2)
_______________________________________________________________________________ summary ________________________________________________________________________________
ERROR: py27: commands failed

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/613813
Committed: https://git.openstack.org/cgit/openstack/kuryr-libnetwork/commit/?id=755e7c0c48b31581add281fa050d2bf975e424ea
Submitter: Zuul
Branch: master

commit 755e7c0c48b31581add281fa050d2bf975e424ea
Author: Hongbin Lu <email address hidden>
Date: Sun Oct 28 21:19:58 2018 +0000

    Fix an issue on running subset of tests

    It broke after the switching to stestr [1] since stestr doesn't
    have the --regex arguments.

    [1] https://review.openstack.org/#/c/571471/

    Change-Id: Ied13d3c370bba2a18cd54edae0dc80050e87f07e
    Closes-Bug: #1800387

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/kuryr-libnetwork 3.0.0 release.