option masterOnly is deprecated, please use serverOnly instead ptp4l[249891.905]: ethtool ptp4l[249891.905]: selected /dev/ptp2 as PTP clock ptp4l[249891.908]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[249891.909]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[249891.909]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[249891.910]: ethtool ptp4l[249899.841]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[249899.842]: selected local clock 000db9.fffe.60a716 as best master ptp4l[249899.842]: port 1 (eth2): assuming the grand master role