I managed to solve the problem by installing the r8168 driver version 8.048.03 directly from the realtek website.
https://www.realtek.com/en/component/zoo/category/network-interface- controllers-10-100-1000m-gigabit-ethernet-pci-express-software -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1910646 Title: Can't connect to wired ethernet after update to kernel 5.8 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.8/+bug/1910646/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
