Runtime should return an error when trying to load an AppArmor profile with docker

[marcov]

Description of problem

When using docker as container engine, the --security-opt apparmor= option is completely disregarded.

docker run -it --rm busybox

Expected result

Something like:

docker: Error response from daemon: OCI runtime create failed: container_linux.go:348: starting container process caused \"failed to apply AppArmor profile\""

Actual result

(Container is started an no error/warning is reported to the user).