```
Dec 08 08:31:43 thyssen package-helper[6666]: /etc/unbound/unbound.conf.d/listen-docker.conf:1: error: syntax error
Dec 08 08:31:43 thyssen package-helper[6666]: read /etc/unbound/unbound.conf failed: 1 errors in configuration file
Dec 08 08:31:43 thyssen package-helper[6669]: /etc/unbound/unbound.conf.d/listen-docker.conf:1: error: syntax error
Dec 08 08:31:43 thyssen package-helper[6669]: read /etc/unbound/unbound.conf failed: 1 errors in configuration file
Dec 08 08:31:43 thyssen unbound[6670]: /etc/unbound/unbound.conf.d/listen-docker.conf:1: error: syntax error
Dec 08 08:31:43 thyssen unbound[6670]: read /etc/unbound/unbound.conf failed: 1 errors in configuration file
Dec 08 08:31:43 thyssen unbound[6670]: [1638952303] unbound[6670:0] fatal error: Could not read config file: /etc/unbound/unbound.conf. Maybe try unbound -dd, it stays on the commandline to see more errors, or unbound-checkconf
Dec 08 08:31:43 thyssen systemd[1]: unbound.service: Main process exited, code=exited, status=1/FAILURE
```
Related to T3770