Two nightlies have been affected by this failure. 

Example job: https://prow.ci.openshift.org/view/gs/test-platform-results/logs/periodic-ci-openshift-[…]4.17-periodics-e2e-aws-ovn-conformance/1801271689275772928

Failure message in buildlog:

2024-06-13T08:57:04Z ERROR Failed to create cluster {"error": "could not complete platform specific options: failed to create infra: cannot attach internet gateway to vpc: Resource.AlreadyAssociated: resource igw-00d29a60158965af0 is already attached to network vpc-013b1697f7de4c213\n\tstatus code: 400, request id: c5cd987e-aacd-4d50-a96b-09d8d7d15fb0"} github.com/openshift/hypershift/cmd/cluster/aws.NewCreateCommand.func1 /hypershift/cmd/cluster/aws/create.go:385 github.com/spf13/cobra.(*Command).execute /hypershift/vendor/github.com/spf13/cobra/command.go:983

Slack thread: https://redhat-external.slack.com/archives/C01C8502FMM/p1718305892431249