option masterOnly is deprecated, please use serverOnly instead ptp4l[88828.710]: ethtool ptp4l[88828.711]: selected /dev/ptp2 as PTP clock ptp4l[88828.715]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[88828.715]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[88828.716]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[88828.716]: ethtool ptp4l[88835.427]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[88835.428]: selected local clock 000db9.fffe.6099f2 as best master ptp4l[88835.428]: port 1 (eth2): assuming the grand master role