replay(mockListener);
deviceManager.addListener(mockListener);
verify(mockListener);
reset(mockListener);
mockListener.deviceIPV4AddrChanged(isA(IDevice.class));
replay(mockListener);
deviceManager.entityCleanupTask.reschedule(0, null);
d = deviceManager.getDevice(d.getDeviceKey());
assertArrayEquals(new Integer[] { 2 }, d.getIPv4Addresses());