kubernetes: [upgrade test failure] DNS should provide DNS for ExternalName services - IP not in range

This e2e test is failing on several of the upgrade tests.

https://k8s-testgrid.appspot.com/master-upgrade#gke-gci-1.7-gci-master-upgrade-cluster https://k8s-testgrid.appspot.com/master-upgrade#gke-gci-1.7-gci-master-upgrade-master https://k8s-testgrid.appspot.com/master-upgrade#gke-cvm-1.6-cvm-master-upgrade-master

/cc @kubernetes/sig-network-bugs

/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/dns.go:488
Expected error:
    <*errors.StatusError | 0xc4240b2c80>: {
        ErrStatus: {
            TypeMeta: {Kind: "", APIVersion: ""},
            ListMeta: {SelfLink: "", ResourceVersion: ""},
            Status: "Failure",
            Message: "Service \"dns-test-service-3\" is invalid: spec.clusterIP: Invalid value: \"127.1.2.3\": provided IP is not in the valid range",
            Reason: "Invalid",
            Details: {
                Name: "dns-test-service-3",
                Group: "",
                Kind: "Service",
                UID: "",
                Causes: [
                    {
                        Type: "FieldValueInvalid",
                        Message: "Invalid value: \"127.1.2.3\": provided IP is not in the valid range",
                        Field: "spec.clusterIP",
                    },
                ],
                RetryAfterSeconds: 0,
            },
            Code: 422,
        },
    }
    Service "dns-test-service-3" is invalid: spec.clusterIP: Invalid value: "127.1.2.3": provided IP is not in the valid range
not to have occurred
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/dns.go:477