option masterOnly is deprecated, please use serverOnly instead ptp4l[33153.449]: ethtool ptp4l[33153.449]: selected /dev/ptp2 as PTP clock ptp4l[33153.453]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[33153.453]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[33153.454]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[33153.454]: ethtool ptp4l[33159.643]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[33159.643]: selected local clock 000db9.fffe.609a4a as best master ptp4l[33159.643]: port 1 (eth2): assuming the grand master role