AFAICT, there should not be a situation where IP and port do not have
at least one whitespace character separating them.

This may be true for other '\s*' patterns in the same regex too.

Signed-off-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210203172357.1422425-10-crosa@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>