А вот что в логах при монтировании и демонтировании в Thunar
$ journalctl -f
дек 22 23:56:35 localhost.localdomain dbus-daemon[2889]: [session uid=500 pid=2889] Activating via systemd: service name='org.gtk.vfs.Metadata' unit='gvfs-metadata.service' requested by ':1.14' (uid=500 pid=3026 comm="Thunar --daemon")
дек 22 23:56:35 localhost.localdomain systemd[2810]: Starting Virtual filesystem metadata service...
дек 22 23:56:35 localhost.localdomain dbus-daemon[2889]: [session uid=500 pid=2889] Successfully activated service 'org.gtk.vfs.Metadata'
дек 22 23:56:35 localhost.localdomain systemd[2810]: Started Virtual filesystem metadata service.
дек 22 23:56:45 localhost.localdomain udisksd[3079]: Mounted /dev/sda3 at /run/media/atest/Windows on behalf of uid 500
дек 22 23:56:45 localhost.localdomain ntfs-3g[3315]: Version 2021.8.22 external FUSE 29
дек 22 23:56:45 localhost.localdomain ntfs-3g[3315]: Mounted /dev/sda3 (Read-Write, label "Windows", NTFS 3.1)
дек 22 23:56:45 localhost.localdomain ntfs-3g[3315]: Cmdline options: rw,uhelper=udisks2,nodev,nosuid,uid=500,gid=500,windows_names
дек 22 23:56:45 localhost.localdomain ntfs-3g[3315]: Mount options: uhelper=udisks2,nodev,nosuid,allow_other,nonempty,relatime,rw,default_permissions,fsname=/dev/sda3,blkdev,blksize=4096
дек 22 23:56:45 localhost.localdomain ntfs-3g[3315]: Global ownership and permissions enforced, configuration type 7
...
дек 23 00:07:36 localhost.localdomain systemd[1]: run-media-atest-Windows.mount: Deactivated successfully.
дек 23 00:07:36 localhost.localdomain ntfs-3g[3315]: Unmounting /dev/sda3 (Windows)
дек 23 00:07:36 localhost.localdomain udisksd[3079]: Cleaning up mount point /run/media/atest/Windows (device 8:3 is not mounted)
дек 23 00:07:36 localhost.localdomain udisksd[3079]: Unmounted /dev/sda3 on behalf of uid 500