<!-- For urgent operational issues, please contact AWS Support directly at https://aws.amazon.com/premiumsupport/ If you think you have found a potential security issue, please do not post it as an issue. Instead, follow the instructions at https://aws.amazon.com/security/vulnerability-reporting/ or email AWS Security directly at aws-security@amazon.com For Network Policy enhancements, please file at https://github.com/aws/aws-network-policy-agent/issues Please only use this template for submitting enhancement requests. --> **What would you like to be added**: Ability to enable ENA Express on the ENIs (for custom networking) **Why is this needed**: To realize benefits from SRD https://aws.amazon.com/blogs/networking-and-content-delivery/using-ena-express-to-improve-workload-performance-on-aws/