System.out.println("-- attempt # " + i + "/2");
Channel c=createChannel(true);
try {
Map<String,Object> m=new HashMap<String,Object>();
m.put("additional_data", new byte[] { 'b', 'e', 'l', 'a' });
c.down(new Event(Event.CONFIG, m));
c.connect("AddDataTest.testadditionalData()");
UUID addr=(UUID)c.getAddress();
System.out.println("address is " + addr);
assert addr.getAdditionalData() != null;
assert addr.getAdditionalData()[0] == 'b';