buildx failed with: ERROR: failed to solve: process "/bin/sh -c if [ \"$(readelf -h /proc/self/exe | grep -o 'Machine:.* ARM')\" ]; then dpkg --add-architecture arm64 && apt-get update -qq && apt-get install -qq -y libc6:arm64 libstdc++6:arm64 fi" did not complete successfully: exit code: 2