test_add_and_delete_neigh fails 

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FAIL: ovn_bgp_agent.tests.functional.privileged.test_linux_net.IpNeighTestCase.test_add_and_delete_neigh
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Traceback (most recent call last):
  File "/src/gitlab.cee.redhat.com/eng/openstack/ovn-bgp-agent/ovn_bgp_agent/tests/functional/base.py", line 67, in func
    return f(self, *args, **kwargs)
  File "/src/gitlab.cee.redhat.com/eng/openstack/ovn-bgp-agent/ovn_bgp_agent/tests/functional/privileged/test_linux_net.py", line 592, in test_add_and_delete_neigh
    self.assertEqual([], neigh4)
  File "/usr/lib/python3.9/site-packages/testtools/testcase.py", line 393, in assertEqual
    self.assertThat(observed, matcher, message)
  File "/usr/lib/python3.9/site-packages/testtools/testcase.py", line 480, in assertThat
    raise mismatch_error
testtools.matchers._impl.MismatchError: !=:
reference = []
actual    = [

]