this lan card lose support. u need use this kext
AppleIntelI210Ethernet.kext.zip
but have some problems after wake, etc
use with olarila efi folder for ur hardware
u need update and change to MOD and last dev
https://www.olarila.com/topic/24542-opencore_no_acpi-opencore-with-additional-featureschanges-implemented-how-to-use-this-fork/