The following packages will be REMOVED:
  snapd*
0 upgraded, 0 newly installed, 1 to remove and 4 not upgraded.
After this operation, 110 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 383232 files and directories currently installed.)
Removing snapd (2.60.4+23.10) ...
Warning: Stopping snapd.service, but it can still be activated by:
  snapd.socket
dpkg: warning: while removing snapd, unable to remove directory '/snap': Device or resource busy - directory may be a mount point?
Processing triggers for desktop-file-utils (0.26-1ubuntu5) ...
Processing triggers for gnome-menus (3.36.0-1.1ubuntu1) ...
Processing triggers for man-db (2.11.2-3) ...
Processing triggers for dbus (1.14.10-1ubuntu1) ...
Processing triggers for mailcap (3.70+nmu1ubuntu1) ...
Processing triggers for bamfdaemon (0.5.6+22.04.20220217-0ubuntu1) ...
Rebuilding /usr/share/applications/bamf-2.index...
(Reading database ... 383136 files and directories currently installed.)
Purging configuration files for snapd (2.60.4+23.10) ...
Stopping snap-bare-5.mount
Stopping unit snap-bare-5.mount
Waiting until unit snap-bare-5.mount is stopped [attempt 1]
snap-bare-5.mount is stopped.
Removing snap bare and revision 5
Removing snap-bare-5.mount
Stopping snap-core18-2790.mount
Stopping unit snap-core18-2790.mount
Waiting until unit snap-core18-2790.mount is stopped [attempt 1]
snap-core18-2790.mount is stopped.
Removing snap core18 and revision 2790
Removing snap-core18-2790.mount
Stopping snap-core22-864.mount
Stopping unit snap-core22-864.mount
Waiting until unit snap-core22-864.mount is stopped [attempt 1]
snap-core22-864.mount is stopped.
Removing snap core22 and revision 864
Removing snap-core22-864.mount
Stopping snap-firefox-3216.mount
Stopping unit snap-firefox-3216.mount
Waiting until unit snap-firefox-3216.mount is stopped [attempt 1]
snap-firefox-3216.mount is stopped.
Removing snap firefox and revision 3216
rm: cannot remove '/var/snap/firefox/common/host-hunspell/en_US.dic': Read-only file system
rm: cannot remove '/var/snap/firefox/common/host-hunspell/en_US.aff': Read-only file system
dpkg: error processing package snapd (--purge):
 installed snapd package post-removal script subprocess returned error exit status 1
Errors were encountered while processing:
 snapd
E: Sub-process /usr/bin/dpkg returned an error code (1)