if (n.matches()) {
if (n.group(1) != null) {
try {
byte tosbits = get_byte(n.group(1));
OFActionNetworkTypeOfService action = new OFActionNetworkTypeOfService();
action.setNetworkTypeOfService(tosbits);
log.debug(" action {}", action);
sa = new SubActionStruct();
sa.action = action;
sa.len = OFActionNetworkTypeOfService.MINIMUM_LENGTH;