This is related to faccessat2 syscall has been enabled in musl in alpine starting 3.14. Due to a bug in runc it fails if your kernel do not support faccessat2.
Short answer update runc to >= 1.0.0-rc93 or update kernel to 5.8 (upgrading kernel should work but i haven't tested it)
Detail in release note
https://wiki.alpinelinux.org/wiki/Release_Notes_for_Alpine_3.14.0#faccessat2
Bug in runc (fixed in 1.0.0-rc93 )
opencontainers/runc#2151
https://github.com/alpinelinux/docker-alpine/issues/156
alpine(3.14+)bash都有问题
下载得以解决:https://download.docker.com/linux/static/stable/x86_64/docker-20.10.5.tgz