option masterOnly is deprecated, please use serverOnly instead ptp4l[503589.719]: ethtool ptp4l[503589.719]: selected /dev/ptp2 as PTP clock ptp4l[503589.727]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[503589.728]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[503589.728]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[503589.728]: ethtool ptp4l[503596.226]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[503596.227]: selected local clock 000db9.fffe.60a716 as best master ptp4l[503596.227]: port 1 (eth2): assuming the grand master role ptp4l[503640.834]: timed out while polling for tx timestamp ptp4l[503640.834]: increasing tx_timestamp_timeout may correct this issue, but it is likely caused by a driver bug ptp4l[503640.834]: port 1 (eth2): send peer delay request failed ptp4l[503640.834]: port 1 (eth2): MASTER to FAULTY on FAULT_DETECTED (FT_UNSPECIFIED)