ptp4l[336121.268]: ethtool
ptp4l[336121.268]: interface 'mesh0' does not support requested timestamping mode
ptp4l[336121.269]: phc_device: /dev/ptp3
ptp4l[336121.269]: selected /dev/ptp3 as PTP clock
ptp4l[336121.271]: driver rejected most general HWTSTAMP filter
ptp4l[336121.271]: ioctl SIOCSHWTSTAMP failed: Operation not supported
ptp4l[336121.271]: port 1: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[336121.271]: port 0: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[336127.544]: port 1: LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES
ptp4l[336127.544]: selected local clock 04f021.fffe.ac33ac as best master
ptp4l[336127.545]: assuming the grand master role