For me this was no dublicate of bug #439448.
https://bugs.launchpad.net/ubuntu/+source/network-manager-applet/+bug/577678/comments/1
solved the problem for me.
For me this was no dublicate of bug #439448.
https:/ /bugs.launchpad .net/ubuntu/ +source/ network- manager- applet/ +bug/577678/ comments/ 1
solved the problem for me.