_, err := h.LinkByName(devName)
	if err == nil {
		// found dummy device
		return true, nil
	}
	dummy := &netlink.Dummy{
		LinkAttrs: netlink.LinkAttrs{Name: devName},
	}
	return false, h.LinkAdd(dummy)
}

// DeleteDummyDevice is part of interface.
func (h *netlinkHandle) DeleteDummyDevice(devName string) error {
	link, err := h.LinkByName(devName)
	if err != nil {
		_, ok := err.(netlink.LinkNotFoundError)