option masterOnly is deprecated, please use serverOnly instead ptp4l[248995.058]: ethtool ptp4l[248995.058]: selected /dev/ptp2 as PTP clock ptp4l[248995.063]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[248995.063]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[248995.064]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[248995.064]: ethtool ptp4l[249002.841]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[249002.842]: selected local clock 000db9.fffe.5f9572 as best master ptp4l[249002.842]: port 1 (eth2): assuming the grand master role