Was unable to pull zfs-dkms 2.1.6 being available on cdn https://armbian.hosthatch.com/apt/pool/jammy-utils/z/zfs-linux/
After armbian-config and apt reconfigure mirrors and apt update && apt upgrade i could pull the zfs 2.1.6 goods (dkms and zfs-utils)
These values are and where fine
cat /etc/apt/sources.list
deb http://ports.ubuntu.com/ jammy main restricted universe multiverse
#deb-src http://ports.ubuntu.com/ jammy main restricted universe multiverse
deb http://ports.ubuntu.com/ jammy-security main restricted universe multiverse
#deb-src http://ports.ubuntu.com/ jammy-security main restricted universe multiverse
deb http://ports.ubuntu.com/ jammy-updates main restricted universe multiverse
#deb-src http://ports.ubuntu.com/ jammy-updates main restricted universe multiverse
deb http://ports.ubuntu.com/ jammy-backports main restricted universe multiverse
#deb-src http://ports.ubuntu.com/ jammy-backports main restricted universe multiverse
cat /etc/apt/sources.list.d/armbian.list
deb http://apt.armbian.com jammy main jammy-utils jammy-desktop
Not sure why apt reconfigure mirrors solved this.. but never the less, happy eyes with the zfs goods to play with.