Можно легко проверить, нужна ли она. Выложить сюда результат команды, проверю на ошибки и неправильно подключенные модули:
live@pra6408:~$ aufs-n |grep images
03 /mnt/live/memory/images/089-prar-upd-180101-sf54.pfs rr+wh
04 /mnt/live/memory/images/089-de-xfce_gtk3-1801-sf06.pfs rr+wh
05 /mnt/live/memory/images/089-de-matelight-1.20.0-1801-sf14.pfs rr+wh
06 /mnt/live/memory/images/premote-180101-sf02.pfs rr+wh
07 /mnt/live/memory/images/pra-installer-2019.04-11-any.pfs rr+wh
08 /mnt/live/memory/images/nss-3.34.1-180101-sf02.pfs rr+wh
09 /mnt/live/memory/images/mpv-light-0.27.0-17-180101-sf04.pfs rr+wh
10 /mnt/live/memory/images/mhwd-p-0.6.3_64-sf01.pfs rr+wh
11 /mnt/live/memory/images/linux-firmware-light-171204_any-sf01.pfs rr+wh
12 /mnt/live/memory/images/ffmpeg-light-3.4.1-180101-sf01.pfs rr+wh
13 /mnt/live/memory/images/deadbeef-static-p-0.7.2-3-sf02.pfs rr+wh
14 /mnt/live/memory/images/084-theme-pop-green-blue_any-sf04.pfs rr+wh
15 /mnt/live/memory/images/045-xfce4-panel-180101-sf06.pfs rr+wh
16 /mnt/live/memory/images/040-de-ols-gtk2-180101-sf16.pfs rr+wh
17 /mnt/live/memory/images/035-gtk2-2.24.31-1-180101-sf07.pfs rr+w
18 /mnt/live/memory/images/030-gtk3-3.22.26-1-180101-sf10.pfs rr+wh
19 /mnt/live/memory/images/001-prar-c-180101-sf15.pfs rr+wh
20 /mnt/live/memory/images/000-kernel-5.1.4-porteus_64.pfs rr+wh
live@pra6408:~$