This fixes the following, which I've been seeing on all my machines for as long as I can remember: --- FAIL: TestOnlyLoopbackExistsWhenUsingDisableNetworkOption (0.36 seconds) container_test.go:1597: Wrong interface count in test container: expected [*: lo], got [1: lo 2: sit0] Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon) Upstream-commit: ad3e71d5c7e01dca229d4077cf8b019d8085c33a Component: engine