freedombox-privileged.socket service failed to start after unattended upgrade

Logs:

> systemctl status freedombox-privileged.socket 
○ freedombox-privileged.socket - FreedomBox Privileged Service Socket
     Loaded: loaded (/usr/lib/systemd/system/freedombox-privileged.socket; enabled; preset: enabled)
     Active: inactive (dead) since Mon 2025-09-29 06:37:32 EEST; 2 days ago
   Duration: 4d 4h 37min 18.626s
 Invocation: 5fc764f4a5064c1b914a334e42e7d8c2
   Triggers: ● freedombox-privileged.service
       Docs: https://wiki.debian.org/FreedomBox/
     Listen: /run/freedombox/privileged.socket (Stream)
   Mem peak: 0B
        CPU: 1ms

Sep 25 02:00:13 freedomboxp systemd[1]: Starting freedombox-privileged.socket - FreedomBox Privileged Service Socket...
Sep 25 02:00:13 freedomboxp systemd[1]: Listening on freedombox-privileged.socket - FreedomBox Privileged Service Socket.
Sep 29 06:37:32 freedomboxp systemd[1]: freedombox-privileged.socket: Deactivated successfully.
Sep 29 06:37:32 freedomboxp systemd[1]: Closed freedombox-privileged.socket - FreedomBox Privileged Service Socket.
Sep 29 06:37:32 freedomboxp systemd[1]: Stopping freedombox-privileged.socket - FreedomBox Privileged Service Socket...
Sep 29 06:37:32 freedomboxp systemd[1]: freedombox-privileged.socket: Socket service freedombox-privileged.service already active, refusing.
Sep 29 06:37:32 freedomboxp systemd[1]: Failed to listen on freedombox-privileged.socket - FreedomBox Privileged Service Socket.

/var/log/apt/term.log contains:

Preparing to unpack .../freedombox_25.12~bpo13+1_all.deb ...
Unpacking freedombox (25.12~bpo13+1) over (25.11~bpo13+1) ...
Preparing to unpack .../freedombox-doc-en_25.12~bpo13+1_all.deb ...
Unpacking freedombox-doc-en (25.12~bpo13+1) over (25.11~bpo13+1) ...
Preparing to unpack .../freedombox-doc-es_25.12~bpo13+1_all.deb ...
Unpacking freedombox-doc-es (25.12~bpo13+1) over (25.11~bpo13+1) ...
Setting up freedombox-doc-en (25.12~bpo13+1) ...
Setting up freedombox-doc-es (25.12~bpo13+1) ...
Setting up freedombox (25.12~bpo13+1) ...
Could not execute systemctl:  at /usr/bin/deb-systemd-invoke line 148.

Manually running systemctl start freedombox-privileged.socket fixed the issue.