Comment 6 for bug 1949970

ubuntu@lp1949970-f:~$ dpkg -l lightdm|grep lightdm
ii lightdm 1.30.0-0ubuntu4~20.04.1 amd64 Display Manager
ubuntu@lp1949970-f:~$ journalctl -b -g 'unable to dlopen'
-- Logs begin at Tue 2022-01-11 17:28:51 UTC, end at Tue 2022-01-11 18:02:33 UTC. --
Jan 11 17:58:09 lp1949970-f lightdm[1048]: PAM unable to dlopen(pam_kwallet.so): /lib/security/pam_kwallet.so: cannot open shared object file: No such file or directory
Jan 11 17:58:09 lp1949970-f lightdm[1048]: PAM unable to dlopen(pam_kwallet5.so): /lib/security/pam_kwallet5.so: cannot open shared object file: No such file or directory
Jan 11 17:58:11 lp1949970-f lightdm[1278]: PAM unable to dlopen(pam_kwallet.so): /lib/security/pam_kwallet.so: cannot open shared object file: No such file or directory
Jan 11 17:58:11 lp1949970-f lightdm[1278]: PAM unable to dlopen(pam_kwallet5.so): /lib/security/pam_kwallet5.so: cannot open shared object file: No such file or directory

...(upgrade and reboot)...

ubuntu@lp1949970-f:~$ dpkg -l lightdm|grep lightdm
ii lightdm 1.30.0-0ubuntu4~20.04.2 amd64 Display Manager
ubuntu@lp1949970-f:~$ journalctl -b -g 'unable to dlopen'
-- Logs begin at Tue 2022-01-11 17:28:51 UTC, end at Tue 2022-01-11 18:03:41 UTC. --
-- No entries --