Replace network manager with wicd:
sudo apt-get install wicd
sudo systemctl stop NetworkManager.service
sudo systemctl disable NetworkManager.service
sudo systemctl enable wicd.service
sudo systemctl start wicd.service
Sessions -> Startup:
wicd-client --tray
sudo apt-get install wicd
sudo systemctl stop NetworkManager.service
sudo systemctl disable NetworkManager.service
sudo systemctl enable wicd.service
sudo systemctl start wicd.service
Sessions -> Startup:
wicd-client --tray