This particular denial is typically caused by debugging output. I'll add this to the snap-confine profile, but in the meantime, can you add to /etc/apparmor.d/usr.lib.snapd.snap-confine:
/dev/tty rw,
then run:
sudo apparmor_parser -r /etc/apparmor.d/usr.lib.snapd.snap-confine
This particular denial is typically caused by debugging output. I'll add this to the snap-confine profile, but in the meantime, can you add to /etc/apparmor. d/usr.lib. snapd.snap- confine:
/dev/tty rw,
then run: d/usr.lib. snapd.snap- confine
sudo apparmor_parser -r /etc/apparmor.