ptp4l[1796028.399]: ethtool
ptp4l[1796028.400]: interface 'mesh0' does not support requested timestamping mode
ptp4l[1796028.400]: phc_device: /dev/ptp3
ptp4l[1796028.400]: selected /dev/ptp3 as PTP clock
ptp4l[1796028.402]: driver rejected most general HWTSTAMP filter
ptp4l[1796028.402]: ioctl SIOCSHWTSTAMP failed: Operation not supported
ptp4l[1796028.402]: port 1: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[1796028.403]: port 0: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[1796034.939]: port 1: LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES
ptp4l[1796034.940]: selected local clock 04f021.fffe.ac33ac as best master
ptp4l[1796034.940]: assuming the grand master role