This is the official driver from Realtek and can be loaded instead of
the FreeBSD driver built into the GENERIC kernel if you experience
issues with it (eg. watchdog timeouts), or your card is not supported.

Please note this driver requires a system reboot to activate.

WWW: https://www.realtek.com/en/component/zoo/category/network-interface-controllers-10-100-1000m-gigabit-ethernet-pci-express-software