option masterOnly is deprecated, please use serverOnly instead ptp4l[247555.536]: ethtool ptp4l[247555.536]: selected /dev/ptp2 as PTP clock ptp4l[247555.539]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[247555.540]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[247555.540]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[247555.541]: ethtool ptp4l[247561.938]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[247561.939]: selected local clock 000db9.fffe.60aa6e as best master ptp4l[247561.939]: port 1 (eth2): assuming the grand master role