ptp4l[1795341.003]: ethtool ptp4l[1795341.004]: interface 'mesh0' does not support requested timestamping mode ptp4l[1795341.004]: phc_device: /dev/ptp3 ptp4l[1795341.004]: selected /dev/ptp3 as PTP clock ptp4l[1795341.007]: driver rejected most general HWTSTAMP filter ptp4l[1795341.007]: port 1: INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[1795341.007]: ioctl SIOCSHWTSTAMP failed: Operation not supported ptp4l[1795341.008]: port 0: INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[1795347.696]: port 1: LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[1795347.696]: selected local clock 04f021.fffe.ac33ac as best master ptp4l[1795347.697]: assuming the grand master role