I was able to reproduce this bug on Ubuntu 22.04 + telegram-desktop 4.14.15 rev 5557 (installed with snap), apport 2.20.11-0ubuntu82.5
$ cat /var/log/apport.log ERROR: apport (pid 47286) Tue Feb 13 21:54:27 2024: host pid 44216 crashed in a separate mount namespace, ignoring
I was able to reproduce this bug on Ubuntu 22.04 + telegram-desktop 4.14.15 rev 5557 (installed with snap), apport 2.20.11-0ubuntu82.5
$ cat /var/log/apport.log
ERROR: apport (pid 47286) Tue Feb 13 21:54:27 2024: host pid 44216 crashed in a separate mount namespace, ignoring