Comment # 1 on bug 966042 from Martin Vidner

Confirmed with TW from 2015-10-02.

BTW this seems to be unrelated to the ncurses UI which had similar FD-closing
problems in the past. The same happens also with QT or with the null UI:

/usr/lib/YaST2/bin/y2base 'sysconfig' '-S' '(help)' UI