Neutron VPNaas gate functional tests failing on race condition

[Ryan Moats]

gate-neutron-vpnaas-dsvm-functional-sswan and gate-neutron-vpnaas-dsvm-functional are failing on a race condition in test_ipsec_site_connections_with_l3ha_routers:

ft1.4: neutron_vpnaas.tests.functional.common.test_scenario.TestIPSecScenario.test_ipsec_site_connections_with_l3ha_routers_StringException: Empty attachments:
  pythonlogging:''
  stderr
  stdout

Traceback (most recent call last):
  File "neutron_vpnaas/tests/functional/common/test_scenario.py", line 667, in test_ipsec_site_connections_with_l3ha_routers
    self.check_ping(site1, site2, 0)
  File "neutron_vpnaas/tests/functional/common/test_scenario.py", line 519, in check_ping
    timeout=8, count=4)
  File "/opt/stack/new/neutron/neutron/tests/common/net_helpers.py", line 110, in assert_ping
    dst_ip])
  File "/opt/stack/new/neutron/neutron/agent/linux/ip_lib.py", line 876, in execute
    log_fail_as_error=log_fail_as_error, **kwargs)
  File "/opt/stack/new/neutron/neutron/agent/linux/utils.py", line 138, in execute
    raise RuntimeError(msg)
RuntimeError: Exit code: 1; Stdin: ; Stdout: PING 35.4.2.5 (35.4.2.5) 56(84) bytes of data.

--- 35.4.2.5 ping statistics ---
1 packets transmitted, 0 received, 100% packet loss, time 0ms

; Stderr:

[Slawek Kaplonski (slaweq)]

I'm closing this bug now as I don't think we still have such issue in the gate currently.

[OpenStack Infra (hudson-openstack)]

Related fix proposed to branch: master
Review: https://review.opendev.org/c/openstack/neutron-vpnaas/+/843031

[OpenStack Infra (hudson-openstack)]

Change abandoned by "Slawek Kaplonski <email address hidden>" on branch: master
Review: https://review.opendev.org/c/openstack/neutron-vpnaas/+/843031
Reason: This review is > 4 weeks without comment, and failed Zuul jobs the last time it was checked. We are abandoning this for now. Feel free to reactivate the review by pressing the restore button and leaving a 'recheck' comment to get fresh test results.