That option has been deprecated in oslo_log:
https://github.com/openstack/oslo.log/blob/69e0ba3d75f0fa6411e9f3e8344049a625979fd8/oslo_log/_options.py#L33
That option has been deprecated in oslo_log:
https:/ /github. com/openstack/ oslo.log/ blob/69e0ba3d75 f0fa6411e9f3e83 44049a625979fd8 /oslo_log/ _options. py#L33