Thank you for your bug report, could you try if things are better with https://launchpad.net/ubuntu/+source/network-manager/1.2.0-0ubuntu0.16.04.2 ?
Thank you for your bug report, could you try if things are better with https:/ /launchpad. net/ubuntu/ +source/ network- manager/ 1.2.0-0ubuntu0. 16.04.2 ?