ptp4l[1795568.025]: ethtool ptp4l[1795568.026]: interface 'mesh0' does not support requested timestamping mode ptp4l[1795568.026]: phc_device: /dev/ptp3 ptp4l[1795568.026]: selected /dev/ptp3 as PTP clock ptp4l[1795568.028]: driver rejected most general HWTSTAMP filter ptp4l[1795568.029]: port 1: INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[1795568.028]: ioctl SIOCSHWTSTAMP failed: Operation not supported ptp4l[1795568.029]: port 0: INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[1795575.018]: port 1: LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[1795575.018]: selected local clock 04f021.fffe.ac33ac as best master ptp4l[1795575.019]: assuming the grand master role