for _, c := range p.Sandboxes {
		if c.ID == id {
			return c
		}
	}
	return nil
}

// ToAPIPod converts Pod to v1.Pod. Note that if a field in v1.Pod has no
// corresponding field in Pod, the field would not be populated.
func (p *Pod) ToAPIPod() *v1.Pod {
	var pod v1.Pod
	pod.UID = p.ID
	pod.Name = p.Name
	pod.Namespace = p.Namespace

	for _, c := range p.Containers {