To work-around this issue, temporarily disable apparmor with:
sudo /etc/init.d/apparmor stop
After this, network-manager and dhclient will be able to be control the network again. After installing apparmor version 2.3.1+1403-0ubuntu9 the apparmor profiles will operate correctly again.
To work-around this issue, temporarily disable apparmor with:
sudo /etc/init. d/apparmor stop
After this, network-manager and dhclient will be able to be control the network again. After installing apparmor version 2.3.1+1403-0ubuntu9 the apparmor profiles will operate correctly again.