Visualizations list is empty

Ubuntu 16.04 x64
Installed kodi 17 from xmbc-kodi repo
installed kodi-visualization-*
But visualizations list is empty.

Run strace on kodi.bin and found it reads /usr/share/kodi/addons/visualization.shadertoy/addon.xml
but it never tries to access “.so” in /usr/lib/kodi/addons

With debug logging enabled only one line in kodi.log looks related :

13:53:25.508 T:139859573098880 DEBUG: ADDON: cpluff: ‘Plug-in visualization.shadertoy has been installed.’

In windows version also empty list