20.10.12-xfs
NOTE: This is a fork from the original https://github.com/boot2docker/boot2docker
Kernel 5.10.84
TCL 12.0
XFS filesystem by default.
Docker 20.10.12
https://docs.docker.com/engine/release-notes/
SHA256(boot2docker.iso)= cd9c0b20cb05bcaa1356be85b6d36170fabc9c58bfd78a308ab4fee2d0530fa7