Features:
* Introduce customer and SRD metrics through sysctl
* Introduce spreading IRQs to CPUs capability using sysctl
* Upgrade ena-com to v2.7.0
Bug Fixes:
* Remove outdated APIs
Minor Changes:
* Introduce a shared stats sample interval for all stats
* Introduce a new compilation flag __FreeBSD_version
Full Changelog: 765c823...ena_freebsd_2.7.0