I see that right before the failure we lookup the filter by name and get the uuid:
http://logs.openstack.org/24/374324/1/gate/gate-tempest-dsvm-cells-ubuntu-xenial/81f45de/logs/screen-n-cpu.txt.gz#_2016-09-21_21_20_24_441
2016-09-21 21:20:24.441 12207 DEBUG nova.virt.libvirt.firewall [req-462fe36b-6d85-4b74-9eab-4d2a0ea9c3d5 tempest-ListImageFiltersTestJSON-1517708761 tempest-ListImageFiltersTestJSON-1517708761] UUID for filter 'nova-no-nd-reflection' is '0e742215d36e4ebb8830ef09d513c9a1' _get_filter_uuid /opt/stack/new/nova/nova/virt/libvirt/firewall.py:256
And then 5ms after that it fails because the filter exists with some other uuid:
2016-09-21 21:20:24.446 12207 ERROR nova.compute.manager [instance: 9103de54-6d83-4877-8075-9807ec099778] libvirtError: operation failed: filter 'nova-no-nd-reflection' already exists with uuid e740c5ec-c715-4f73-9874-630cc73d4ac2
I see that right before the failure we lookup the filter by name and get the uuid:
http:// logs.openstack. org/24/ 374324/ 1/gate/ gate-tempest- dsvm-cells- ubuntu- xenial/ 81f45de/ logs/screen- n-cpu.txt. gz#_2016- 09-21_21_ 20_24_441
2016-09-21 21:20:24.441 12207 DEBUG nova.virt. libvirt. firewall [req-462fe36b- 6d85-4b74- 9eab-4d2a0ea9c3 d5 tempest- ListImageFilter sTestJSON- 1517708761 tempest- ListImageFilter sTestJSON- 1517708761] UUID for filter 'nova-no- nd-reflection' is '0e742215d36e4e bb8830ef09d513c 9a1' _get_filter_uuid /opt/stack/ new/nova/ nova/virt/ libvirt/ firewall. py:256
And then 5ms after that it fails because the filter exists with some other uuid:
2016-09-21 21:20:24.446 12207 ERROR nova.compute. manager [instance: 9103de54- 6d83-4877- 8075-9807ec0997 78] libvirtError: operation failed: filter 'nova-no- nd-reflection' already exists with uuid e740c5ec- c715-4f73- 9874-630cc73d4a c2