* @return true if the packet extensions is ill-formed
*/
protected static boolean verifyPacketExtensions(DiscoverInfo info) {
List<FormField> foundFormTypes = new LinkedList<FormField>();
for (Iterator<PacketExtension> i = info.getExtensions().iterator(); i.hasNext();) {
PacketExtension pe = i.next();
if (pe.getNamespace().equals(Form.NAMESPACE)) {
DataForm df = (DataForm) pe;
for (Iterator<FormField> it = df.getFields(); it.hasNext();) {
FormField f = it.next();
if (f.getVariable().equals("FORM_TYPE")) {
for (FormField fft : foundFormTypes) {