My system information:
Ubuntu 20.04.3 LTS (GNU/Linux 5.11.0-37-generic x86_64)

conda version 4.11.0

CUDA Version 10.1.243

and when I try to install PyTorch
ChecksumMismatchError: Conda detected a mismatch between the expected content and downloaded content
for url 'https://conda.anaconda.org/pytorch/linux-64/ffmpeg-4.3-hf484d3e_0.tar.bz2'.
  download saved to: /data/dyhu/anaconda3/pkgs/ffmpeg-4.3-hf484d3e_0.tar.bz2
  expected md5: 0b0bf7c3d7e146ef91de5310bbf7a230
  actual md5: 01d5d7540ae69053e5a2e27289c06961

ChecksumMismatchError: Conda detected a mismatch between the expected content and downloaded content
for url 'https://conda.anaconda.org/pytorch/linux-64/torchvision-0.11.2-py39_cu102.tar.bz2'.
  download saved to: /data/dyhu/anaconda3/pkgs/torchvision-0.11.2-py39_cu102.tar.bz2
  expected md5: 936e492460b62c385361e88527cbdc12
  actual md5: b8d622a3186183ee02b21bb605f752fb

ChecksumMismatchError: Conda detected a mismatch between the expected content and downloaded content
for url 'https://conda.anaconda.org/pytorch/linux-64/pytorch-1.10.1-py3.9_cuda10.2_cudnn7.6.5_0.tar.bz2'.
  download saved to: /data/dyhu/anaconda3/pkgs/pytorch-1.10.1-py3.9_cuda10.2_cudnn7.6.5_0.tar.bz2
  expected md5: bf9986e1812d05784b0823f34ccb433e
  actual md5: c0cffd05b030cf0c194ad9e4bbb8a1ed

ChecksumMismatchError: Conda detected a mismatch between the expected content and downloaded content
for url 'https://conda.anaconda.org/pytorch/linux-64/torchaudio-0.10.1-py39_cu102.tar.bz2'.
  download saved to: /data/dyhu/anaconda3/pkgs/torchaudio-0.10.1-py39_cu102.tar.bz2
  expected md5: 66f25c0cb8fa754c6cb396a11c371686
  actual md5: ff5cfdb91a2a56edc35d704af409976f

ChecksumMismatchError: Conda detected a mismatch between the expected content and downloaded content
for url 'https://conda.anaconda.org/pytorch/noarch/pytorch-mutex-1.0-cuda.tar.bz2'.
  download saved to: /data/dyhu/anaconda3/pkgs/pytorch-mutex-1.0-cuda.tar.bz2
  expected md5: a948316e36fb5b11223b3fcfa93f8358
  actual md5: 36f806af7e57fdef13f31bbb095f27d8

the same problem in GitHub Issue