container          *v1.Container
	ephemeralContainer *v1.EphemeralContainer
}

func containerStartSpec(c *v1.Container) *startSpec {
	return &startSpec{container: c}
}

func ephemeralContainerStartSpec(ec *v1.EphemeralContainer) *startSpec {
	return &startSpec{
		container:          (*v1.Container)(&ec.EphemeralContainerCommon),
		ephemeralContainer: ec,
	}
}

	// containers cannot be specified on pod creation.
	for _, idx := range podContainerChanges.EphemeralContainersToStart {
		start(ctx, "ephemeral container", metrics.EphemeralContainer, ephemeralContainerStartSpec(&pod.Spec.EphemeralContainers[idx]))
	}

	if !utilfeature.DefaultFeatureGate.Enabled(features.SidecarContainers) {
		// Step 6: start the init container.