rem: cerr << "Core2 enter: " << node << " action " << hex << action << endl;
add: std::cerr << "Core2 enter: " << node << " action " << std::hex << action << std::endl;
context: Action::ResultE Core2Enter(CNodePtr& node, Action * action) {     cerr << "Core2 enter: " << node          << " action " << hex << action << endl;    return Action::Continue; }