https://zipkin.io/pages/quickstart

```$xslt
INFO [zuul,ecdee56c885e0d3b,ecdee56c885e0d3b,false] 16312 --- [nio-8090-exec-1] 
INFO [zuul,ecdee56c885e0d3b,ecdee56c885e0d3b,false] 16312 --- [nio-8090-exec-1] 
INFO [zuul,e2d282108f861cf4,e2d282108f861cf4,false] 16312 --- [nio-8090-exec-4] 
INFO [zuul,e2d282108f861cf4,e2d282108f861cf4,false] 16312 --- [nio-8090-exec-4] 
```