README-role.md

* Kata-containes: Fix for ubuntu and centos sometimes kata containers fail to start because of access errors to /dev/vhost-vsock and /dev/vhost-net

* Kata-containers: use similar testing strategy as gvisor

* Kata-Containers: adjust values for 2.2.0 defaults

Make CI tests actually pass

* Kata-Containers: bump to 2.2.2 to fix sandbox_cgroup_only issue