in NDATA the metric named Seq is not required, as the Seq has it's own protobuf identifier Payload.Seq
This is a bug because the spec says that "17.1 NBIRTH : This includes every metric it will publish data for in the future." and the NBIRTH didn't contain this unneeded Metric.
==> IS: Payload.Metric.Name = "Seq" and Payload.Seq
==> SHOULD: remove the metric named Seq.
v0.0.0.27 [r364] solved this.
Also noticed a similar problem with DDATA, so fixed this at the same time.