Oh, Sevens, how sad. I don't know how you can really convey you are not leaving anyone behind. Because of your packing, and the stress (even good things cause stress!), they know something is up. Extra love and cuddles? And, making thier stay in the kennel as short as you can? Have you tried 'telling' them what is going on? Communication is important. Let them know exactly what is going on....Good luck.