systemd state is degraded

# systemctl status
Failed to dump process list for 'hostname', ignoring: Input/output error
● hostname
    State: degraded
    Units: 282 loaded (incl. loaded aliases)
     Jobs: 0 queued
   Failed: 2 units
    Since: Sat 2025-01-04 18:50:56 EET; 4h 6min ago
  systemd: 252.31-1~deb12u1
  Tainted: cgroupsv1
   CGroup: /

# systemctl --failed
  UNIT                  LOAD   ACTIVE SUB    DESCRIPTION
● console-getty.service loaded failed failed Console Getty
● getty@tty1.service    loaded failed failed Getty on tty1

Jan 04 18:50:57 hostname systemd[1]: Started console-getty.service - Console Getty.
Jan 04 18:50:57 hostname systemd[1]: console-getty.service: Failed to kill control group /system.slice/console-getty.service, ignoring: Input/output error
Jan 04 18:50:57 hostname systemd[1]: console-getty.service: Failed to kill control group /system.slice/console-getty.service, ignoring: Input/output error
Jan 04 18:50:57 hostname systemd[1]: console-getty.service: Failed to kill control group /system.slice/console-getty.service, ignoring: Input/output error
Jan 04 18:50:57 hostname systemd[1]: console-getty.service: Failed to kill control group /system.slice/console-getty.service, ignoring: Input/output error
Jan 04 18:50:57 hostname systemd[1]: console-getty.service: Deactivated successfully.
Jan 04 18:50:58 hostname systemd[1]: console-getty.service: Scheduled restart job, restart counter is at 5.