option masterOnly is deprecated, please use serverOnly instead ptp4l[210317.581]: ethtool ptp4l[210317.581]: selected /dev/ptp2 as PTP clock ptp4l[210317.585]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[210317.586]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[210317.586]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[210317.586]: ethtool ptp4l[210323.869]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[210323.869]: selected local clock 000db9.fffe.60aa6e as best master ptp4l[210323.869]: port 1 (eth2): assuming the grand master role