ptp4l[1795682.216]: ethtool
ptp4l[1795682.216]: interface 'mesh0' does not support requested timestamping mode
ptp4l[1795682.216]: phc_device: /dev/ptp3
ptp4l[1795682.216]: selected /dev/ptp3 as PTP clock
ptp4l[1795682.219]: driver rejected most general HWTSTAMP filter
ptp4l[1795682.219]: ioctl SIOCSHWTSTAMP failed: Operation not supported
ptp4l[1795682.219]: port 1: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[1795682.220]: port 0: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[1795688.309]: port 1: LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES
ptp4l[1795688.309]: selected local clock 04f021.fffe.ac33ac as best master
ptp4l[1795688.309]: assuming the grand master role