option masterOnly is deprecated, please use serverOnly instead ptp4l[31168.667]: ethtool ptp4l[31168.667]: selected /dev/ptp2 as PTP clock ptp4l[31168.671]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[31168.672]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[31168.672]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[31168.673]: ethtool ptp4l[31175.234]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[31175.234]: selected local clock 000db9.fffe.60adba as best master ptp4l[31175.235]: port 1 (eth2): assuming the grand master role