The Swiss OTC Cloud Controller Manager saw a Service: type=LoadBalancer with
kubernetes.io/elb.autocreate annotation, provisioned a fresh
public ELB plus EIP, and wired your request straight to one of the
nginx replicas in the lb-demo namespace.
There is no HTTPRoute. No GatewayClass. No Envoy Gateway in the path — this is the same mechanism that Envoy Gateway itself ultimately uses under the hood, just invoked directly.