I am using ubuntu 20.04, till now there is no problem but suddenly my ethernet stopped working when I type
sudo lshw -C network
I posted the same in focal bug section, but they advised me to post it here. So I am reposting it the same. This is the result
*-network UNCLAIMED
description: Ethernet controller
product: RTL810xE PCI Express Fast Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
version: 07
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd cap_list
configuration: latency=0
resources: ioport:3000(size=256) memory:a2200000-a2200fff memory:a2000000-a2003fff
But I am able to connect to WiFi.