Comment 8 for bug 1977615

Same behaviour with spotify

$ snap list spotify
Name Version Rev Tracking Publisher Notes
spotify 1.1.84.716.gc5f8b819 60 latest/stable spotify✓ -

$ snap refresh spotify
error: cannot perform the following tasks:
- Setup snap "spotify" (63) security profiles (cannot update mount namespace of snap "spotify": cannot update preserved namespace of snap "spotify": cannot update snap namespace: remove /usr/bin/gjs: read-only file system)

$ ps -elf | grep bin/gjs
0 S user 7331 6555 0 80 0 - 733443 do_pol mar28 ? 00:00:04 /usr/bin/gjs /usr/share/gnome-shell/org.gnome.Shell.Notifications
0 S user 9425 6555 0 80 0 - 716553 do_pol mar28 ? 00:00:00 /usr/bin/gjs /usr/share/gnome-shell/org.gnome.ScreenSaver

$ sudo /usr/lib/snapd/snap-discard-ns spotify
[sudo] password for user:

$ snap refresh spotify
spotify 1.2.8.923.g4f94bf0d from Spotify✓ refreshed