detaching network adapter failed

[Rico Lin]

In heat gate job (gate-heat-dsvm-functional-convg-mysql-lbaasv2-ubuntu-xenial)
We found error within N-cpu when it raise detaching network adapter failed
the error log can be found in [1].
This happens in test [2] and we try to update server

[1] http://logs.openstack.org/07/474707/3/check/gate-heat-dsvm-functional-convg-mysql-lbaasv2-ubuntu-xenial/55ca8fb/logs/screen-n-cpu.txt.gz?level=ERROR

[2] http://logs.openstack.org/07/474707/3/check/gate-heat-dsvm-functional-convg-mysql-lbaasv2-ubuntu-xenial/55ca8fb/console.html#_2017-06-16_01_38_47_871446

[Rico Lin (rico-lin)]

Note: this might already duplicate to https://bugs.launchpad.net/nova/+bug/1698290 (which exists for months)

[Rico Lin (rico-lin)]

http://logs.openstack.org/04/474004/4/check/gate-heat-dsvm-functional-convg-mysql-lbaasv2-py35-ubuntu-xenial/86c8e01/logs/screen-q-lbaasv2.txt.gz#_Jun_16_06_34_06_734721

[Sean Dague (sdague)]

This looks like a libvirt crash, which there is only so much Nova can do about it. :(

[Launchpad Janitor (janitor)]

[Expired for OpenStack Compute (nova) because there has been no activity for 60 days.]