nvidia@tegra-ubuntu:~/TensoRT_C++/TensorRT-6.0.1.8/targets/x86_64-linux-gnu/bin$ ./sample_onnx_mnist
&&&& RUNNING TensorRT.sample_onnx_mnist # ./sample_onnx_mnist
[04/24/2021-14:52:43] [I] Building and running a GPU inference engine for Onnx MNIST
----------------------------------------------------------------
Input filename:   ../../../data/mnist/mnist.onnx
ONNX IR version:  0.0.3
Opset version:    8
Producer name:    CNTK
Producer version: 2.5.1
Domain:           ai.cntk
Model version:    1
Doc string:       
----------------------------------------------------------------
ERROR: ModelImporter.cpp:463 In function importModel:
[4] Assertion failed: !_importer_ctx.network()->hasImplicitBatchDimension() && "This version of the ONNX parser only supports TensorRT INetworkDefinitions with an explicit batch dimension. Please ensure the network was created using the EXPLICIT_BATCH NetworkDefinitionCreationFlag."
&&&& FAILED TensorRT.sample_onnx_mnist # ./sample_onnx_mnist