Clear Containers 2.2.1 is a big update to their open-source containers component designed for enhanced security around Intel VT. This update adds support for common container infrastructure/orchestration stacks like Docker Swarm and Kubernetes. This updated Clear Containers now allows enhanced complex networking, extra isolation between the workload and optimized guest OS, better monitoring of the workload, full TTY handling, and exec support.
More details on Clear Containers 2.2.1 via today's release announcement and the release notes. Those wishing to learn more about Clear Containers in general can visit their project site.