Comment 6 for bug 1963907

On CS9 wallaby, we are seeing similar failure
```
https://logserver.rdoproject.org/15/151734d416f03f3b5c9c93b1cb999f490c49589c/openstack-periodic-integration-stable1-cs9/periodic-tripleo-ci-centos-9-standalone-wallaby/43072dc/logs/undercloud/var/log/tempest/stestr_results.html.gz

Failure seems to be different
```
{0} tempest.api.compute.servers.test_attach_interfaces.AttachInterfacesUnderV243Test.test_add_remove_fixed_ip [349.895008s] ... FAILED

Captured traceback:
~~~~~~~~~~~~~~~~~~~
    Traceback (most recent call last):
      File "/usr/lib/python3.9/site-packages/tempest/lib/common/ssh.py", line 107, in _get_ssh_connection
        ssh.connect(self.host, port=self.port, username=self.username,
      File "/usr/lib/python3.9/site-packages/paramiko/client.py", line 435, in connect
        self._auth(
      File "/usr/lib/python3.9/site-packages/paramiko/client.py", line 764, in _auth
        raise saved_exception
      File "/usr/lib/python3.9/site-packages/paramiko/client.py", line 751, in _auth
        self._transport.auth_password(username, password)
      File "/usr/lib/python3.9/site-packages/paramiko/transport.py", line 1509, in auth_password
        return self.auth_handler.wait_for_response(my_event)
      File "/usr/lib/python3.9/site-packages/paramiko/auth_handler.py", line 250, in wait_for_response
        raise e
    paramiko.ssh_exception.AuthenticationException: Authentication failed.
```