fix apparmor trobleshooting to add original issue track

site/content/en/docs/drivers/docker.md

@@ -36,8 +36,5 @@ The Docker driver allows you to install Kubernetes into an existing Docker insta
 
 - On Linux, if you want to run MySQL pod, you need to disable AppArmor for mysql profile
 
-   AppArmor is access control security system for Linux. This is enabled on Ubuntu by default.
-   If you machine enables AppArmor, you need to disable AppArmor for the mysql profile.
-   To disable apparmor for mysql, run the following command on host machine.
-
-    `sudo ln -s /etc/apparmor.d/usr.sbin.mysqld /etc/apparmor.d/disable/ && sudo apparmor_parser -R /etc/apparmor.d/usr.sbin.mysqld`
+   If your docker has [AppArmor](https://wiki.ubuntu.com/AppArmor) enabled, running mysql in privileged mode with docker driver will have the issue [#7401](https://github.com/kubernetes/minikube/issues/7401).
+   There is a workaround - see [moby/moby#7512](https://github.com/moby/moby/issues/7512#issuecomment-61787845).