This issue has sat incomplete for over two years now without any
response to comment #12 or further reports of the problem so I closing
this report as "Invalid".
Please feel free to re-open this bug report if anyone still sees an
issue when using a currently supported release of Ubuntu.
**
Thank you for reporting this bug to Ubuntu.
Ubuntu 17.04 (zesty) reached end-of-life on January 13, 2018.
See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases
We appreciate that this bug may be old and you might not be interested
in discussing it any more.