func AllocateAndReleaseAddressesTest(ipVersion string, ipRange string, ipGateway string, expectedAddress string) {
	const ifname string = "eth0"
	const nspath string = "/some/where"

	conf := fmt.Sprintf(`{
		"cniVersion": "0.3.1",
		"name": "mynet",
		"type": "ipvlan",
		"master": "foo0",
		"ipam": {
		  "type": "whereabouts",
		  "log_file" : "/tmp/whereabouts.log",
				  "log_level" : "debug",
		  "etcd_host": "127.0.0.1:2379",
		  "range": "%s",
		  "gateway": "%s",
		  "routes": [
			{ "dst": "0.0.0.0/0" }
		  ]
		}
	  }`, ipRange, ipGateway)

	args := &skel.CmdArgs{
		ContainerID: "dummy",
		Netns:       nspath,
		IfName:      ifname,
		StdinData:   []byte(conf),
	}

	// Allocate the IP
	r, raw, err := testutils.CmdAddWithArgs(args, func() error {
		return cmdAdd(args)
	})
	Expect(err).NotTo(HaveOccurred())
	// fmt.Printf("!bang raw: %s\n", raw)
	Expect(strings.Index(string(raw), "\"version\":")).Should(BeNumerically(">", 0))

	result, err := current.GetResult(r)
	Expect(err).NotTo(HaveOccurred())

	// Gomega is cranky about slices with different caps
	Expect(*result.IPs[0]).To(Equal(
		current.IPConfig{
			Version: ipVersion,
			Address: mustCIDR(expectedAddress),
			Gateway: net.ParseIP(ipGateway),
		}))

	// Release the IP
	err = testutils.CmdDelWithArgs(args, func() error {
		return cmdDel(args)
	})
	Expect(err).NotTo(HaveOccurred())

	// Now, create the same thing again, and expect the same IP
	// That way we know it dealloced the IP and assigned it again.
	r, _, err = testutils.CmdAddWithArgs(args, func() error {
		return cmdAdd(args)
	})
	Expect(err).NotTo(HaveOccurred())

	result, err = current.GetResult(r)
	Expect(err).NotTo(HaveOccurred())

	Expect(*result.IPs[0]).To(Equal(
		current.IPConfig{
			Version: ipVersion,
			Address: mustCIDR(expectedAddress),
			Gateway: net.ParseIP(ipGateway),
		}))

	// And we'll release the IP again.
	err = testutils.CmdDelWithArgs(args, func() error {
		return cmdDel(args)
	})
	Expect(err).NotTo(HaveOccurred())
}

var _ = Describe("Whereabouts operations", func() {
	It("allocates and releases addresses on ADD/DEL", func() {
		ipVersion := "4"
		ipRange := "192.168.1.0/24"
		ipGateway := "192.168.10.1"
		expectedAddress := "192.168.1.1/24"

		AllocateAndReleaseAddressesTest(ipVersion, ipRange, ipGateway, expectedAddress)

		ipVersion = "6"
		ipRange = "2001::1/116"
		ipGateway = "2001::f:1"
		expectedAddress = "2001::1/116"

		AllocateAndReleaseAddressesTest(ipVersion, ipRange, ipGateway, expectedAddress)
	})

	....***blah other tests***