sudo apk add pmbootstrap
(1/8) Installing gdbm (1.13-r1)
(2/8) Installing python3 (3.8.2-r0)
(3/8) Installing libattr (2.4.48-r0)
(4/8) Installing coreutils (8.31-r0)
(5/8) Installing libproc (3.3.16-r0)
(6/8) Installing procps (3.3.16-r0)
(7/8) Installing openssl (1.1.1d-r4)
(8/8) Installing pmbootstrap (1.15.0-r0)
Executing pmbootstrap-1.15.0-r0.post-install
modprobe: FATAL: Module binfmt_misc not found in directory /lib/modules/5.5.0
Executing busybox-1.31.1-r12.trigger
OK: 1078 MiB in 443 packages