Code
15:58:47 29.458195 T:1790964640 ERROR: CCurlFile::FillBuffer - Failed: Couldn't resolve host name(6)
15:58:47 29.458345 T:1790964640 ERROR: CCurlFile::Open failed with code 0 for http://addons.libreelec.tv/7.0/RPi2/arm/addons.xml.gz.md5
15:58:47 29.458445 T:1790964640 ERROR: Open - failed to open source <http://addons.libreelec.tv/7.0/RPi2/arm/addons.xml.gz.md5>
15:58:47 29.458509 T:1790964640 ERROR: CRepositoryUpdateJob[repository.libreelec.tv] failed read checksum for directory 'http://addons.libreelec.tv/7.0/RPi2/arm/addons.xml.gz'
The Kodi log upload website is not always up/reliable to use, but this
also shows the box failing to retrieve information from our addons server, which is very reliable and indicates there is a general networking problem, which probably explains why the log uploader is not working.
Are you using Ethernet (great idea) or internal RPi3 wireless (terrible idea)?
