The full stacktrace should be getting logged:
https://github.com/openstack/nova/blob/stable/kilo/nova/network/linux_net.py#L1363
Which should include the stdout/stderr from the command to explain why it failed. That should be in the nova-compute logs, please provide that stacktrace/error message.
The full stacktrace should be getting logged:
https:/ /github. com/openstack/ nova/blob/ stable/ kilo/nova/ network/ linux_net. py#L1363
Which should include the stdout/stderr from the command to explain why it failed. That should be in the nova-compute logs, please provide that stacktrace/error message.