Kong and Consul

Hi all,

I´ve made a sample: https://github.com/flowdopip/kong-consul

but when proxy to kong I have this error:

{
"message": "An unexpected error occurred"
}

error.log

2020/04/10 14:49:08 [error] 27#0: *2072 [lua] balancer.lua:921: execute(): DNS resolution failed: dns server error: 2 server failure. Tried: ["(short)orders:(na) - cache-miss","orders:1 - cache-miss/scheduled/querying/dns server error: 2 server failure","orders:33 - cache-miss/scheduled/querying/dns server error: 2 server failure","orders:5 - cache-miss/scheduled/querying/dns server error: 2 server failure"], client: 172.16.238.1, server: kong, request: "GET /api/logistics/orders/3190d7b9-15c7-4312-840a-4e2fe023378a/deliveries HTTP/1.1", host: "localhost:8000"
2020/04/10 1

any idea?