option masterOnly is deprecated, please use serverOnly instead ptp4l[7787.717]: ethtool ptp4l[7787.717]: selected /dev/ptp2 as PTP clock ptp4l[7787.721]: port 1 (eth2): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[7787.722]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[7787.722]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[7787.722]: ethtool ptp4l[7794.262]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[7794.263]: selected local clock 000db9.fffe.6099f2 as best master ptp4l[7794.263]: port 1 (eth2): assuming the grand master role ptp4l[8243.255]: timed out while polling for tx timestamp ptp4l[8243.255]: increasing tx_timestamp_timeout may correct this issue, but it is likely caused by a driver bug ptp4l[8243.255]: port 1 (eth2): send peer delay response failed ptp4l[8243.255]: port 1 (eth2): MASTER to FAULTY on FAULT_DETECTED (FT_UNSPECIFIED) ptp4l[8259.259]: port 1 (eth2): FAULTY to LISTENING on INIT_COMPLETE ptp4l[8259.259]: ethtool ptp4l[8265.382]: port 1 (eth2): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[8265.383]: port 1 (eth2): assuming the grand master role