buildx failed with: ERROR: failed to solve: process "/bin/bash -o pipefail -c wget -nv https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/cuda-ubuntu2004.pin -O /etc/apt/preferences.d/cuda-repository-pin-600 && wget https://developer.download.nvidia.com/compute/cuda/repos/$distro/$arch/cuda-keyring_1.0-1_all.deb && dpkg -i cuda-keyring_1.0-1_all.deb && add-apt-repository \"deb http://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/ /\" && apt-get -q update && apt-get install -qqy cuda-11-1 cuda-nvcc-11-1\tcuda-toolkit-11-1 && wget -nv https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/libcudnn8_8.0.5.39-1+cuda11.1_amd64.deb -O /var/tmp/libcudnn8.deb && wget -nv https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/libnccl2_2.8.4-1+cuda11.1_amd64.deb -O /var/tmp/libnccl2.deb && dpkg -i /var/tmp/libcudnn8.deb /var/tmp/libnccl2.deb && fix-permissions $CONDA_DIR && fix-permissions /home/$NB_USER" did not complete successfully: exit code: 8