Wang Binbin

Thank you! I comment out the BCM54213PE lines in the bcm_ptp_probe function and rebuild the kernel. The timestamp returns to normal. 

Thank you! I will report it to https://github.com/raspberrypi/linux.

> Thank you! Josh I go back to see the bash script and find it failed to build math because of Wall: Command not found. Do you have any idea...

@lasselj I suppose that the "software transmit" is not in the time-stamping capabilities of eth0, so the ptp4l cannot be forced into software mode. For other NICs that really support...