option masterOnly is deprecated, please use serverOnly instead ptp4l[169960.447]: ethtool ptp4l[169960.448]: selected /dev/ptp2 as PTP clock ptp4l[169960.452]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[169960.452]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[169960.453]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[169960.453]: ethtool ptp4l[169966.903]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[169966.904]: selected local clock 000db9.fffe.60adba as best master ptp4l[169966.904]: port 1 (eth2): assuming the grand master role