On Wed, Jan 05, 2022 at 11:14:25PM +0800, Aaron Ma wrote: > When plugin multiple r8152 ethernet dongles to Lenovo Docks > or USB hub, MAC passthrough address from BIOS should be > checked if it had been used to avoid using on other dongles. > > Currently builtin r8152 on Dock still can't be identified. > First detected r8152 will use the MAC passthrough address. I do have to wonder why you are doing this in the kernel, and not using a udev rule? This seems to be policy, and policy does not belong in the kernel. Andrew