This add-on doesn't launch, Full log: vsxu - Pastebin.com and here's some sections from same kodi.log
Code
15:45:56 T:140656700540992 NOTICE: Starting Kodi (16.1 Git:c327c53). Platform: Linux x86 64-bit
15:45:56 T:140656700540992 NOTICE: Using Release Kodi x64 build
15:45:56 T:140656700540992 NOTICE: Kodi compiled Jun 9 2016 by GCC 5.3.0 for Linux x86 64-bit version 4.4.7 (263175)
15:45:56 T:140656700540992 NOTICE: Running on LibreELEC (official) - Version: 7.0.1, kernel: Linux x86 64-bit version 4.4.7
15:45:56 T:140656700540992 NOTICE: FFmpeg version: 2.8.6
15:45:56 T:140656700540992 NOTICE: WARNING: unsupported ffmpeg version detected
15:45:56 T:140656700540992 NOTICE: Host CPU: Intel(R) Core(TM) i3-2100T CPU @ 2.50GHz, 4 cores available
========================
15:59:54 T:140656700540992 DEBUG: ADDON: Dll Initializing - VSXU
15:59:54 T:140656700540992 DEBUG: SECTION:LoadDLL(/storage/.kodi/addons/visualization.vsxu/visualization.vsxu.so)
15:59:54 T:140656700540992 DEBUG: Loading: /storage/.kodi/addons/visualization.vsxu/visualization.vsxu.so
15:59:54 T:140656700540992 ERROR: Unable to load /storage/.kodi/addons/visualization.vsxu/visualization.vsxu.so, reason: /storage/.kodi/addons/visualization.vsxu/visualization.vsxu.so: undefined symbol: mt_32_to_double
15:59:54 T:140656700540992 INFO: Called Add-on status handler for '4' of clientName:VSXU, clientID:visualization.vsxu (same Thread=no)
15:59:54 T:140656559785728 DEBUG: Thread AddonStatus visualization.vsxu start, auto delete: true