Beluga runner can't resolve hostnames
https://0xacab.org/infrared/platform_wg/docker-tmate-server/-/jobs/93932:
fatal: unable to access 'https://gitlab-ci-token:xxxxxxxxxxxxxxxxxxxx@0xacab.org/infrared/platform_wg/docker-tmate-server.git/': Couldn't resolve host '0xacab.org'
I confirmed that docker containers can't resolve domain names on beluga:
root@Beluga:~# docker run -it debian:buster bash
root@d0514cfa1902:/# ping ix.de
ping: unknown host