Logstash query that finds this. It turns out there's only one occurrence in the last week:
http://logstash.openstack.org/#eyJzZWFyY2giOiJmaWxlbmFtZTpcImxvZ3Mvc2NyZWVuLW4tY3B1LnR4dFwiIEFORCBtZXNzYWdlOlwibGlidmlydEVycm9yOiBGYWlsZWQgdG8gY29ubmVjdCBzb2NrZXQgdG8gJy92YXIvcnVuL2xpYnZpcnQvbGlidmlydC1zb2NrJ1wiIiwiZmllbGRzIjpbXSwib2Zmc2V0IjowLCJ0aW1lZnJhbWUiOiI2MDQ4MDAiLCJncmFwaG1vZGUiOiJjb3VudCIsInRpbWUiOnsidXNlcl9pbnRlcnZhbCI6MH0sInN0YW1wIjoxMzg0NDk4NjA2MDI4fQ==
Logstash query that finds this. It turns out there's only one occurrence in the last week:
http:// logstash. openstack. org/#eyJzZWFyY2 giOiJmaWxlbmFtZ TpcImxvZ3Mvc2Ny ZWVuLW4tY3B1LnR 4dFwiIEFORCBtZX NzYWdlOlwibGlid mlydEVycm9yOiBG YWlsZWQgdG8gY29 ubmVjdCBzb2NrZX QgdG8gJy92YXIvc nVuL2xpYnZpcnQv bGlidmlydC1zb2N rJ1wiIiwiZmllbG RzIjpbXSwib2Zmc 2V0IjowLCJ0aW1l ZnJhbWUiOiI2MDQ 4MDAiLCJncmFwaG 1vZGUiOiJjb3Vud CIsInRpbWUiOnsi dXNlcl9pbnRlcnZ hbCI6MH0sInN0YW 1wIjoxMzg0NDk4N jA2MDI4fQ= =