option masterOnly is deprecated, please use serverOnly instead ptp4l[587542.653]: ethtool ptp4l[587542.653]: selected /dev/ptp2 as PTP clock ptp4l[587542.657]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[587542.658]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[587542.658]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[587542.659]: ethtool ptp4l[587550.452]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[587550.453]: selected local clock 000db9.fffe.6099f2 as best master ptp4l[587550.453]: port 1 (eth2): assuming the grand master role