Numan's workaround did the trick for me (with up-to-date ubuntu 16.04). The warning does not occur after that.
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1502173/comments/3
Numan's workaround did the trick for me (with up-to-date ubuntu 16.04). The warning does not occur after that.
https:/ /bugs.launchpad .net/ubuntu/ +source/ apport/ +bug/1502173/ comments/ 3