Retail_9.7.11_b776: Umount volume issue

[juanpc2018]

umount volume issue
https://archive.org/details/pearOS_Monterey_64bit-12-beta-2021.07.01

$ uname -a
Linux macmini71 5.14.0-1036-oem #40-Ubuntu SMP Mon May 9 09:15:08 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

$ dmesg | grep apfs
[ 6.310401] uapfs: module license 'Commercial product' taints kernel.
[ 6.311527] uapfs: driver (UFSD_HEAD lke_9.7.11_b776, acl, sd2(5)) loaded at 000000009e19f90c
[ 6.311529] uapfs: PAGE_SIZE=4K, THREAD_SIZE=16k
[ 6.311530] uapfs: Kernel .config hash: original 0x4719d2c6, current can't check.
[ 529.732679] uapfs: "mount" (sda2): is mounted as apfs(rw) at 2023-06-04 05:01:33
[ 831.387621] uapfs: "pool-udisksd" (sda2): is unmounted at 2023-06-04 05:06:35

$ umount /dev/sda2
umount: /dev/sda2: not mounted.

$ umount /media/me/uapfs
umount: /media/me/uapfs: not mounted.

$ sudo umount -t apfs uapfs fuse
umount: bad usage

$ sudo umount -t apfs /dev/sda2 /media/me/uapfs
umount: /dev/sda2: not mounted.
umount: /media/me/uapfs: not mounted.

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~/Downloads/ParagonAPFS/install/ufsd_driver_Retail_APFS_lke_9.7.11_b776$ sudo ./install.sh
By installing this software you accept the terms of End User License Agreement listed in License file.
Continue installing? [yes/no/read].
yes
Searching and removing previously installed UFSD driver in /lib/modules/5.14.0-1036-oem/
Would you like UFSD driver to rebuild after kernel updates? [yes/no]
yes
Setting DKMS configuration
Preparing to install
This system doesn't support Secure Boot
Secure Boot not enabled on this system.
Building and installing driver to kernel 5.14.0-1036-oem
Driver was installed to system
Setting driver autoload at system startup
Setting driver autoload at system startup
Installation complete!
~/Downloads/ParagonAPFS/install/ufsd_driver_Retail_APFS_lke_9.7.11_b776$

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$ apfsutil
apfsutil: command not found
$ apfsutils
apfsutils: command not found
$ apfs-utils
apfs-utils: command not found