ptp4l[335524.930]: ethtool
ptp4l[335524.931]: interface 'mesh0' does not support requested timestamping mode
ptp4l[335524.931]: phc_device: /dev/ptp3
ptp4l[335524.931]: selected /dev/ptp3 as PTP clock
ptp4l[335524.933]: driver rejected most general HWTSTAMP filter
ptp4l[335524.933]: ioctl SIOCSHWTSTAMP failed: Operation not supported
ptp4l[335524.933]: port 1: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[335524.934]: port 0: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[335531.026]: port 1: LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES
ptp4l[335531.027]: selected local clock 04f021.fffe.ac33ac as best master
ptp4l[335531.027]: assuming the grand master role