BeforeEach(func() {
			expectedBridge = &netlink.Bridge{
				LinkAttrs: netlink.LinkAttrs{
					Name: "some-bridge-name",
					MTU:  links.BridgeMTU,
				},
			}
		})

		It("adds the bridge", func() {
			err := factory.CreateBridge("some-bridge-name")
			Expect(err).NotTo(HaveOccurred())

			Expect(netlinker.LinkAddCallCount()).To(Equal(1))
			Expect(netlinker.LinkAddArgsForCall(0)).To(Equal(expectedBridge))
		})

		Context("when adding the bridge link fails", func() {
			It("returns the error", func() {
				netlinker.LinkAddReturns(errors.New("link add failed"))

				err := factory.CreateBridge("some-bridge-name")
				Expect(err).To(Equal(errors.New("link add failed")))
			})
		})
	})

	Describe("CreateDummy", func() {
		var expectedDummy *netlink.Dummy