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[Bug 1836595] [NEW] test_server_connectivity_cold_migration_revert failing

 

Public bug reported:

test_server_connectivity_cold_migration_revert has started failing now
that we've un-skipped it [1]. It appears as though Nova is doing
everything right in terms of external events and VIF plugging (see
analysis on PS6 of [2]), so the thinking is that it's something with the
Neutron L3 agent. Sean Mooney's noticed that the guest does get an IP
from DHCP, but then we fail to ping the VM from tempest.

Logstash query:
http://logstash.openstack.org/#/dashboard/file/logstash.json?query=message:%5C%22tempest.scenario.test_network_advanced_server_ops.TestNetworkAdvancedServerOps.test_server_connectivity_cold_migration_revert%5C%22%20AND%20message:%5C%22FAILED%5C%22%20AND%20tags:%5C
%22job-output.txt%5C%22

[1] https://review.opendev.org/#/c/663405/
[2] https://review.opendev.org/#/c/668631/6

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1836595

Title:
  test_server_connectivity_cold_migration_revert failing

Status in neutron:
  New

Bug description:
  test_server_connectivity_cold_migration_revert has started failing now
  that we've un-skipped it [1]. It appears as though Nova is doing
  everything right in terms of external events and VIF plugging (see
  analysis on PS6 of [2]), so the thinking is that it's something with
  the Neutron L3 agent. Sean Mooney's noticed that the guest does get an
  IP from DHCP, but then we fail to ping the VM from tempest.

  Logstash query:
  http://logstash.openstack.org/#/dashboard/file/logstash.json?query=message:%5C%22tempest.scenario.test_network_advanced_server_ops.TestNetworkAdvancedServerOps.test_server_connectivity_cold_migration_revert%5C%22%20AND%20message:%5C%22FAILED%5C%22%20AND%20tags:%5C
  %22job-output.txt%5C%22

  [1] https://review.opendev.org/#/c/663405/
  [2] https://review.opendev.org/#/c/668631/6

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