Occasionally, in the no-namespace test cases, the interfaces to be used, created in the kernel namespace, are already created. Just in case, to avoid problems like in [1], we should force before the deletion of the interfaces we are going to create.
ft1.3: neutron.tests.functional.agent.linux.test_bridge_lib.FdbInterfaceTestCase.test_add_delete(no_namespace)testtools.testresult.real._StringException: traceback-1: {{{
Traceback (most recent call last):
File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/functional/agent/linux/test_bridge_lib.py", line 134, in _cleanup
priv_ip_lib.delete_interface(self.device_vxlan, None)
File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/oslo_privsep/priv_context.py", line 242, in _wrap
return self.channel.remote_call(name, args, kwargs)
File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/oslo_privsep/daemon.py", line 204, in remote_call
raise exc_type(*result[2])
neutron.privileged.agent.linux.ip_lib.NetworkInterfaceNotFound: Network interface vxlan_bec4e81a- not found in namespace None.
}}}
Traceback (most recent call last):
File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/functional/agent/linux/test_bridge_lib.py", line 122, in setUp
ip_wrapper.add_vxlan(self.device_vxlan, 100, dev=self.device)
File "/home/zuul/src/opendev.org/openstack/neutron/neutron/agent/linux/ip_lib.py", line 296, in add_vxlan
privileged.create_interface(name, self.namespace, "vxlan", **kwargs)
File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/oslo_privsep/priv_context.py", line 242, in _wrap
return self.channel.remote_call(name, args, kwargs)
File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/oslo_privsep/daemon.py", line 204, in remote_call
raise exc_type(*result[2])
neutron.privileged.agent.linux.ip_lib.InterfaceAlreadyExists: Interface vxlan_bec4e81a- already exists.
[1] https://storage.gra1.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/logs_34/674434/10/check/neutron-functional/474856f/testr_results.html.gz
Fix proposed to branch: master /review. opendev. org/678275
Review: https:/