Comment # 1 on bug 1067511 from Thorsten Kukuk

(In reply to Giacomo Comes from comment #0)

> The fix is to add the line:
>   Requires:       group(dialout)
> in their spec file.

That fix is not working alone, either:

PreReq: group(dialout)

or

Requires: group(dialout)
Requires(pre): group(dialout)