option masterOnly is deprecated, please use serverOnly instead ptp4l[5204.390]: ethtool ptp4l[5204.390]: selected /dev/ptp2 as PTP clock ptp4l[5204.394]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[5204.395]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[5204.395]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[5204.396]: ethtool ptp4l[5210.744]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[5210.744]: selected local clock 000db9.fffe.609a4a as best master ptp4l[5210.744]: port 1 (eth2): assuming the grand master role