option masterOnly is deprecated, please use serverOnly instead ptp4l[19909.659]: ethtool ptp4l[19909.659]: selected /dev/ptp2 as PTP clock ptp4l[19909.663]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[19909.665]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[19909.665]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[19909.665]: ethtool ptp4l[19915.874]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[19915.874]: selected local clock 000db9.fffe.609a4a as best master ptp4l[19915.875]: port 1 (eth2): assuming the grand master role