Alpine v3.15 netboot kernel version behind main repo
Problem is that we can't install/add kernel modules given that kernel modules from main repo has newer version.
https://dl-cdn.alpinelinux.org/alpine/v3.15/releases/x86_64/netboot/vmlinuz-lts -- 5.15.4-0-lts
https://dl-cdn.alpinelinux.org/alpine/v3.15/main/x86_64/zfs-lts-5.15.16-r0.apk