After upgrade from Buster, several components of sssd simply fail:
| ● sssd-nss.socket loaded failed failed SSSD NSS Service responder socket
| sssd-pac.socket loaded active listening SSSD PAC Service responder socket
| ● sssd-pam-priv.socket loaded failed failed SSSD PAM Service responder private socket
| ● sssd-ssh.socket loaded failed failed SSSD SSH Service responder socket
| ● sssd-sudo.socket loaded failed failed SSSD Sudo Service responder socket
So all the sockets are broken and the system is in degraded mode due to
failed units.
Bastian