al, err := ipallocator.NewInMemory(cidr)
	if err != nil {
		panic(fmt.Sprintf("error creating IP allocator: %v", err))
	}
	return al
}

func makePortAllocator(ports machineryutilnet.PortRange) portallocator.Interface {
	al, err := portallocator.NewInMemory(ports)
	if err != nil {
		panic(fmt.Sprintf("error creating port allocator: %v", err))
	}
	return al
}

							Ref:         ref("k8s.io/apimachinery/pkg/apis/meta/v1.Duration"),
						},
					},
					"portRange": {
						SchemaProps: spec.SchemaProps{
							Description: "portRange was previously used to configure the userspace proxy, but is now unused.",
							Default:     "",
							Type:        []string{"string"},
							Format:      "",
						},