buildx failed with: ERROR: failed to solve: process "/bin/sh -c git clone -b master https://git.savannah.nongnu.org/git/simulavr.git && cd klipper && cp /usr/src/simulavr.config .config && make PYTHON=python3 && cp out/klipper.elf /build/simulavr.elf && rm -f .config && make PYTHON=python3 clean && cd ../simulavr && make python && make build && make clean" did not complete successfully: exit code: 2