option masterOnly is deprecated, please use serverOnly instead ptp4l[247425.269]: ethtool ptp4l[247425.269]: selected /dev/ptp2 as PTP clock ptp4l[247425.272]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[247425.273]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[247425.273]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[247425.274]: ethtool ptp4l[247431.455]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[247431.455]: selected local clock 000db9.fffe.60a9b2 as best master ptp4l[247431.455]: port 1 (eth2): assuming the grand master role