1. Download Linux driverex ) i40e-2.26.11.tar.gz 2. unzip tar.gz 3. echo $HOME 4. move home path 5. copy driver 6. cd /driver path/srcex) /i40e-2.26.11/src 7. apt install pve-headers 8. make install 9. update-initramfs -u 10. modprobe -r i40e 11. modprobe i40e 12. ip link show 13. nano /etc/network/interfaces 14. add brige portex ) bridge_ports enp1s0f0 enp1s0f1 15. systemctl restart networking ..