NG_OK Log NG unit; it counts up re-started and bus-off. 。 root@Antenna:~# ip -details -statistics link show can0 6: can0: mtu 16 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000 link/can promiscuity 0 can state BUS-OFF (berr-counter tx 248 rx 2) restart-ms 100 bitrate 250000 sample-point 0.875 tq 250 prop-seg 6 phase-seg1 7 phase-seg2 2 sjw 2 c_can: tseg1 2..16 tseg2 1..8 sjw 1..4 brp 1..1024 brp-inc 1 clock 24000000 re-started bus-errors arbit-lost error-warn error-pass bus-off 917 　184799 　 0 918 　　 918 918 RX: bytes packets errors dropped overrun mcast 1507760 188470 184799 0 0 0 TX: bytes packets errors dropped carrier collsns 0 0 0 10216 0 0 ==== OK unit; root@Antenna:~# ip -details -statistics link show can0 6: can0: mtu 16 qdisc pfifo_fast state UNKNOWN mode DEFAULT group default qlen 1000 link/can promiscuity 0 can state ERROR-PASSIVE (berr-counter tx 0 rx 127) restart-ms 100 bitrate 250000 sample-point 0.875 tq 250 prop-seg 6 phase-seg1 7 phase-seg2 2 sjw 2 c_can: tseg1 2..16 tseg2 1..8 sjw 1..4 brp 1..1024 brp-inc 1 clock 24000000 re-started bus-errors arbit-lost error-warn error-pass bus-off 0 　　 1200908 0 1 1 　　　　 0 RX: bytes packets errors dropped overrun mcast 9607280 1200910 1200908 0 0 0 TX: bytes packets errors dropped carrier