option masterOnly is deprecated, please use serverOnly instead ptp4l[34850.862]: ethtool ptp4l[34850.862]: selected /dev/ptp2 as PTP clock ptp4l[34850.866]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[34850.866]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[34850.867]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[34850.867]: ethtool ptp4l[34858.832]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[34858.832]: selected local clock 000db9.fffe.5f9572 as best master ptp4l[34858.832]: port 1 (eth2): assuming the grand master role