`requires` is not recommended in this context. I think I tried it out of
desperation trying to combat the issue that these units would be started
before they were able to resolve names in switch-to-configuration.
Unfortunately, network access during switch-to-configuration can't be
detected using network-online.target, it seems.
Change-Id: Ia98a0a3b505ffa56eb37fb58a5375a1215d6cb1b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12794
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>