Looks like you may have data corruption. One can temporarily disable the spa verification to see if this allows the import to at least complete to see if this helps.
echo 0 | sudo tee /sys/module/zfs/parameters/spa_load_verify_metadata
echo 0 | sudo tee /sys/module/zfs/parameters/spa_load_verify_data
do the import, and then re-enable:
echo 1 | sudo tee /sys/module/zfs/parameters/spa_load_verify_metadata
echo 1 | sudo tee /sys/module/zfs/parameters/spa_load_verify_data
Looks like you may have data corruption. One can temporarily disable the spa verification to see if this allows the import to at least complete to see if this helps.
echo 0 | sudo tee /sys/module/ zfs/parameters/ spa_load_ verify_ metadata zfs/parameters/ spa_load_ verify_ data
echo 0 | sudo tee /sys/module/
do the import, and then re-enable:
echo 1 | sudo tee /sys/module/ zfs/parameters/ spa_load_ verify_ metadata zfs/parameters/ spa_load_ verify_ data
echo 1 | sudo tee /sys/module/