Gather custom metrics using Elastic Agent

Hi,

I am using Elastic Stack in AWS. I would like to have custom metrics to retrieve what I can have when doing ethtool -S. The objective being able to retrieve metrics that Cloudwatch Agent can natively retrieve documented here.

Metrics are currently collected using Elastic Agent with System integration. Even though the System integration collects network data, it doesn't seem to collect more advanced metrics than net I/O.

Thanks.