Hi everyone,   Good news regarding rk3188 and its integrated Ethernet! I found the source of the issue - it's invalid clocks of hclk_emac (and mac_src with sclk_macref). But it may be fixed on the existing image/environment - you just should update and recompile DTc.   Steps: 1. open terminal under SU and launch the armbian-config 2. then go to System -> DTc, it will open nano editor 3. find section `clock-controller` and copy-n-paste the `assigned