buildx failed with: ERROR: failed to solve: process "/bin/sh -c echo \"/usr/local/lib\" > /etc/ld.so.conf.d/ffmpeg.conf && ldconfig && apt-get update && apt-get install -y v4l-utils fbset libx265 libssl libva-drm2 libva2 zlib1g i965-va-driver libasound2-dev && ffmpeg -buildconf" did not complete successfully: exit code: 100