option masterOnly is deprecated, please use serverOnly instead ptp4l[18437.328]: ethtool ptp4l[18437.328]: selected /dev/ptp2 as PTP clock ptp4l[18437.332]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[18437.333]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[18437.333]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[18437.334]: ethtool ptp4l[18443.444]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[18443.444]: selected local clock 000db9.fffe.5f9572 as best master ptp4l[18443.444]: port 1 (eth2): assuming the grand master role