option masterOnly is deprecated, please use serverOnly instead ptp4l[590018.071]: ethtool ptp4l[590018.071]: selected /dev/ptp2 as PTP clock ptp4l[590018.075]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[590018.075]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[590018.076]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[590018.076]: ethtool ptp4l[590025.829]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[590025.829]: selected local clock 000db9.fffe.60a76a as best master ptp4l[590025.829]: port 1 (eth2): assuming the grand master role