option masterOnly is deprecated, please use serverOnly instead ptp4l[23290.562]: ethtool ptp4l[23290.563]: selected /dev/ptp2 as PTP clock ptp4l[23290.566]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[23290.567]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[23290.568]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[23290.568]: ethtool ptp4l[23297.707]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[23297.708]: selected local clock 000db9.fffe.609a4a as best master ptp4l[23297.708]: port 1 (eth2): assuming the grand master role