try{
                    String[] tfNames = df.onnxNames();
                    for(String s : tfNames){
                        if(ONNX_OP_NAME_MAP.containsKey(s)) {
                            log.warn("Duplicate ONNX op mapping found for op {}: {} vs {}", s, ONNX_OP_NAME_MAP.get(s).getClass().getName(), df.getClass().getName());