Seems your BIOS was never updated, see https://www.gigabyte.com/Motherboard/GA-890GPA-UD3H-rev-20/support #support-dl-bios. Versions FD and FE include some LAN fixes. Best update to latest version FF and re-test.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1876593 Title: Ethernet not working/Realtek RTL8169 fails to load To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1876593/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
