root@linux:/home/nvidia# ptp4l -i eth0 -m -H ptp4l[186.842]: selected /dev/ptp0 as PTP clock ptp4l[186.844]: port 1 (eth0): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[186.845]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[186.845]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE ptp4l[193.957]: port 1 (eth0): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[193.957]: selected local clock 48b02d.fffe.07645e as best master ptp4l[193.957]: port 1 (eth0): assuming the grand master role ptp4l[245.714]: port 1 (eth0): link down ptp4l[245.714]: port 1 (eth0): MASTER to FAULTY on FAULT_DETECTED (FT_UNSPECIFIED) ptp4l[245.714]: port 1 (eth0): assuming the grand master role ptp4l[254.625]: port 1 (eth0): link up ptp4l[254.626]: port 1 (eth0): FAULTY to LISTENING on INIT_COMPLETE ptp4l[260.711]: port 1 (eth0): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[260.711]: port 1 (eth0): assuming the grand master role --------------------------------------------------------------------------------- root@linux:/home/nvidia# sudo /usr/local/sbin/phc2sys -m -s CLOCK_REALTIME -c eth0 -w phc2sys[2640.073]: eth0 sys offset -39792 s0 freq +280 delay 3552 phc2sys[2641.074]: eth0 sys offset -40032 s1 freq +40 delay 3552 phc2sys[2642.074]: eth0 sys offset -96 s2 freq -56 delay 3552 phc2sys[2643.074]: eth0 sys offset -16 s2 freq -5 delay 3520 phc2sys[2644.075]: eth0 sys offset -16 s2 freq -9 delay 3520 phc2sys[2645.075]: eth0 sys offset 0 s2 freq +2 delay 3552 phc2sys[2646.075]: eth0 sys offset 0 s2 freq +2 delay 3552 phc2sys[2647.075]: eth0 sys offset 16 s2 freq +18 delay 3520 phc2sys[2648.076]: eth0 sys offset -16 s2 freq -9 delay 3552 phc2sys[2649.076]: eth0 sys offset -16 s2 freq -14 delay 3552 phc2sys[2650.076]: eth0 sys offset 16 s2 freq +13 delay 3520 phc2sys[2651.077]: eth0 sys offset 0 s2 freq +2 delay 3520 phc2sys[2652.077]: eth0 sys offset -16 s2 freq -14 delay 3488 phc2sys[2653.077]: eth0 sys offset 0 s2 freq -3 delay 3552 phc2sys[2654.077]: eth0 sys offset -16 s2 freq -19 delay 3520