option masterOnly is deprecated, please use serverOnly instead ptp4l[9929.780]: ethtool ptp4l[9929.781]: selected /dev/ptp2 as PTP clock ptp4l[9929.784]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[9929.785]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[9929.785]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[9929.786]: ethtool ptp4l[9937.516]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[9937.516]: selected local clock 000db9.fffe.60adba as best master ptp4l[9937.516]: port 1 (eth2): assuming the grand master role