CI: ci-gateway-api: Gateway API Conformance Test - TestConformance/HTTPRouteRequestMultipleMirrors

CI failure

In the last week TestConformance has been failing ~5%. Some of these failures are related to #42456, but the other handful are seeing this failure:

  --- FAIL: TestConformance/HTTPRouteRequestMultipleMirrors (1.03s)

    conformance.go:70: 2025-11-11T15:23:30.955038249Z: Applying tests/httproute-request-multiple-mirrors.yaml
    apply.go:275: 2025-11-11T15:23:30.961772779Z: Creating request-multiple-mirrors HTTPRoute
    conformance.go:75: 2025-11-11T15:23:30.969650734Z: Running HTTPRouteRequestMultipleMirrors, relying on the following features: Gateway-standard, HTTPRoute-standard, HTTPRouteRequestMirror-standard, HTTPRouteRequestMultipleMirrors-standard
    helpers.go:627: 2025-11-11T15:23:30.975719457Z: Route gateway-conformance-infra/request-multiple-mirrors expected 1 Parents got 0
    helpers.go:627: 2025-11-11T15:23:31.976715733Z: Conditions matched expectations
    helpers.go:627: 2025-11-11T15:23:31.976764263Z: Route gateway-conformance-infra/request-multiple-mirrors Parents matched expectations
    apply.go:283: 2025-11-11T15:24:32.002548177Z: Deleting request-multiple-mirrors HTTPRoute

    --- FAIL: TestConformance/HTTPRouteRequestMultipleMirrors/0_request_to_'/multi-mirror'_should_go_to_infra-backend-v1 (60.02s)

    httproute-request-multiple-mirrors.go:119: 2025-11-11T15:23:31.979247445Z: Making GET request to host  via http://172.18.255.192/multi-mirror
    http.go:282: 2025-11-11T15:23:32.001549684Z: Request passed
    mirror.go:53: 2025-11-11T15:23:32.001610888Z: Searching for the mirrored request log
    mirror.go:54: 2025-11-11T15:23:32.001633039Z: Reading "gateway-conformance-infra/infra-backend-v3" logs
    mirror.go:53: 2025-11-11T15:23:32.001864108Z: Searching for the mirrored request log
    mirror.go:54: 2025-11-11T15:23:32.001878956Z: Reading "gateway-conformance-infra/infra-backend-v2" logs
    mirror.go:53: 2025-11-11T15:23:32.101675551Z: Searching for the mirrored request log
[truncated output]

Examples of failures:

• https://github.com/cilium/cilium/actions/runs/19270073059/job/55095778207
• https://github.com/cilium/cilium/actions/runs/19102056452/job/54576257121
• https://github.com/cilium/cilium/actions/runs/19129183933/job/54665619089

Zip files from https://github.com/cilium/cilium/actions/runs/19270073059/job/55095778207:

cilium-sysdumps-Gateway API Conformance Test (experimental, true).zip features-tested.zip cilium-junits (1).zip