This is the workaround that I used after upgrading to 16.04:
sudo ln -s /etc/apparmor.d/usr.sbin.dhcpd /etc/apparmor.d/disable/ sudo apparmor_parser -R /etc/apparmor.d/usr.sbin.dhcpd
This is the workaround that I used after upgrading to 16.04:
sudo ln -s /etc/apparmor. d/usr.sbin. dhcpd /etc/apparmor. d/disable/ d/usr.sbin. dhcpd
sudo apparmor_parser -R /etc/apparmor.