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Failed to install kind for e2e tests: syntax error #12316

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@mboersma

Description

@mboersma

Which jobs are flaking?

capi-e2e-mink8s-release-1.10

Which tests are flaking?

Test environment initialization failed when attempting to install kind.

Since when has it been flaking?

6/2/2025

Testgrid link

https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/periodic-cluster-api-e2e-mink8s-release-1-10/1929617003924951040

Reason for failure (if possible)

Docker in Docker enabled, initializing...
================================================================================
net.ipv6.conf.all.disable_ipv6 = 0
net.ipv6.conf.all.forwarding = 1
Starting Docker: docker.
Waiting for docker to be ready, sleeping for 1 seconds.
================================================================================
Done setting up docker in docker.
+ WRAPPED_COMMAND_PID=[2](https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/periodic-cluster-api-e2e-mink8s-release-1-10/1929617003924951040#1:build-log.txt%3A2)37
+ wait 237
+ ./scripts/ci-e2e.sh
kind not found, installing
/home/prow/go/bin/kind: line 1: syntax error near unexpected token `newline'
/home/prow/go/bin/kind: line 1: `<!DOCTYPE html>'
+ EXIT_VALUE=2
+ set +o xtrace
Cleaning up after docker in docker.
================================================================================
Waiting [3](https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/periodic-cluster-api-e2e-mink8s-release-1-10/1929617003924951040#1:build-log.txt%3A3)0 seconds for pods stopped with terminationGracePeriod:30
Cleaning up after docker
Waiting for docker to stop for 30 seconds
Stopping Docker: dockerProgram process in pidfile '/var/run/docker-ssd.pid', 1 process(es), refused to die.
================================================================================
Done cleaning up after docker in docker.

Anything else we need to know?

It seems possible that curl got an error document back rather than expected binary payload. If so, that would be out of our control, but perhaps we could retry the operation?

Label(s) to be applied

/kind flake

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    kind/flakeCategorizes issue or PR as related to a flaky test.needs-priorityIndicates an issue lacks a `priority/foo` label and requires one.needs-triageIndicates an issue or PR lacks a `triage/foo` label and requires one.

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