Use generic interface{} to unmarshal the logstash messages.
Use generic interface{} to unmarshal the logstash messages.

Because of the Filters, some of the fields in logstash are
arrays of numbers or messages, rather than what they were
before.  We'll unmarshal into a generic type, then convert
that into a common format.

control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced