option masterOnly is deprecated, please use serverOnly instead ptp4l[247867.475]: ethtool ptp4l[247867.475]: selected /dev/ptp2 as PTP clock ptp4l[247867.479]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[247867.479]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[247867.480]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[247867.480]: ethtool ptp4l[247875.045]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[247875.045]: selected local clock 000db9.fffe.60a72e as best master ptp4l[247875.045]: port 1 (eth2): assuming the grand master role