Describe the bug
running nvidia-smi gives a warning CuFileDriver cannot be open. Falling back to use POSIX file IO APIs.
https://github.com/Project-MONAI/MONAI/runs/2130671421?check_suite_focus=true#step:6:294

To Reproduce
appeared in several recent testing results, but all tests finished normally