Thank you for using Ubuntu and reporting a bug. We restrict the interface name simply for input validation and after doing a bit of research, I see no reason why we can't allow '-' and '_' in the interface name. I'll adjust trunk for that, but it may be expanded further.
Thank you for using Ubuntu and reporting a bug. We restrict the interface name simply for input validation and after doing a bit of research, I see no reason why we can't allow '-' and '_' in the interface name. I'll adjust trunk for that, but it may be expanded further.