New comment by Vaelatern on void-packages repository https://github.com/void-linux/void-packages/pull/41472#issuecomment-1827163390 Comment: > Also, it turns out setup.py uses that BUSYBOX_PATH variable as a destination. It is where GNS3 looks for binaries to copy into docker images. It uses the shutil.which() to find the appropriate binary. Good catch!