Workaround solution: downgrade to 2.3.2
apt install zfs-dkms=2.3.2-2 zfsutils-linux=2.3.2-2 libzpool6linux=2.3.2-2 libzfs6linux=2.3.2-2 libuutil3linux=2.3.2-2 libnvpair3linux=2.3.2-2
# block unwanted upgrade: apt-mark hold zfs-dkms=2.3.2-2 zfsutils-linux=2.3.2-2 libzpool6linux=2.3.2-2 libzfs6linux=2.3.2-2 libuutil3linux=2.3.2-2 libnvpair3linux=2.3.2-2