Based on logstash there was no new appearance of this problem since the related patch https://review.openstack.org/507239 was merged so I think the related patch actually fixed the problem. So this can be closed.
Based on logstash there was no new appearance of this problem since the related patch https:/ /review. openstack. org/507239 was merged so I think the related patch actually fixed the problem. So this can be closed.