Actually the cells v1 job shouldn't be waiting for vif plug events, but it looks like nova-compute is configured for that:
Aug 10 17:49:38.949627 ubuntu-xenial-rax-ord-10376969 nova-compute[20201]: DEBUG oslo_service.service [None req-e2b1deea-3fbd-4806-8dc4-fbfde2dbf770 None None] vif_plugging_is_fatal = True {{(pid=20201) log_opt_values /usr/local/lib/python2.7/dist-packages/oslo_config/cfg.py:2875}} Aug 10 17:49:38.949950 ubuntu-xenial-rax-ord-10376969 nova-compute[20201]: DEBUG oslo_service.service [None req-e2b1deea-3fbd-4806-8dc4-fbfde2dbf770 None None] vif_plugging_timeout = 300 {{(pid=20201) log_opt_values /usr/local/lib/python2.7/dist-packages/oslo_config/cfg.py:2875}}
http://logs.openstack.org/12/491012/12/check/gate-tempest-dsvm-cells-ubuntu-xenial/4aa3da8/logs/screen-n-cpu.txt.gz
cells v1 doesn't support those - oh but cellsv1 jobs run with nova-network, so neutron shouldn't be a problem there.
Actually the cells v1 job shouldn't be waiting for vif plug events, but it looks like nova-compute is configured for that:
Aug 10 17:49:38.949627 ubuntu- xenial- rax-ord- 10376969 nova-compute[ 20201]: DEBUG oslo_service. service [None req-e2b1deea- 3fbd-4806- 8dc4-fbfde2dbf7 70 None None] vif_plugging_ is_fatal = True {{(pid=20201) log_opt_values /usr/local/ lib/python2. 7/dist- packages/ oslo_config/ cfg.py: 2875}} xenial- rax-ord- 10376969 nova-compute[ 20201]: DEBUG oslo_service. service [None req-e2b1deea- 3fbd-4806- 8dc4-fbfde2dbf7 70 None None] vif_plugging_ timeout = 300 {{(pid=20201) log_opt_values /usr/local/ lib/python2. 7/dist- packages/ oslo_config/ cfg.py: 2875}}
Aug 10 17:49:38.949950 ubuntu-
http:// logs.openstack. org/12/ 491012/ 12/check/ gate-tempest- dsvm-cells- ubuntu- xenial/ 4aa3da8/ logs/screen- n-cpu.txt. gz
cells v1 doesn't support those - oh but cellsv1 jobs run with nova-network, so neutron shouldn't be a problem there.