mountpoint with "\" are not managed

In linux (OpenSUSE_42.1_leap, but also everywhere where is used udisk) , my case is that my username is the form:

<DOMAIN>\<username>

so the mountpoint of devices are in the form of

/run/media/<DOMAIN>\<username>/<driveA>
...
/run/media/<DOMAIN>\<username>/<driveN>

and that's what's happening when I plug my tolino in the system and calibre try to understand it:

Found device nodes: /dev/sdh /dev/sdg None
The mountpoint /run/media/<DOMAIN>\134<username>/tolino/ is readonly, ignoring it
The mountpoint /run/media/<DOMAN>\134<username>/tolinoext/ is readonly, ignoring it

really the mountpoint isn't readonly, the problem is that:
"/run/media/<DOMAIN>\134<username>/tolino/" is not "/run/media/<DOMAIN>\<username>/tolino/"

infact if I create
ln -s /run/media/<DOMAIN>\<username>/tolino" "/run/media/<DOMAIN>\134<username>/"

calibre can recognize the ebook reader and after in some other place of the source file it break the access to the reader filesystem