@Test
public void testLookupDev() throws Exception {

  String dev;
  try {
    dev = Pcaps.lookupDev();
  } catch (PcapNativeException e) {
    logger.info("Pcaps.lookupDev() said {}", e.getMessage());
    return;
  }
  assertNotNull(dev);
  assertTrue(dev.length() != 0);
}