option masterOnly is deprecated, please use serverOnly instead ptp4l[210188.651]: ethtool ptp4l[210188.651]: selected /dev/ptp2 as PTP clock ptp4l[210188.655]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[210188.656]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[210188.656]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[210188.657]: ethtool ptp4l[210196.406]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[210196.406]: selected local clock 000db9.fffe.60a9b2 as best master ptp4l[210196.406]: port 1 (eth2): assuming the grand master role