[Tue Jan  7 11:51:56 2020] EtherCAT: Master driver 1.5.2 unknown
[Tue Jan  7 11:51:56 2020] EtherCAT: 1 master waiting for devices.
[Tue Jan  7 11:51:56 2020] ec_generic: EtherCAT master generic Ethernet device module 1.5.2 unknown
[Tue Jan  7 11:51:56 2020] EtherCAT: Accepting 00:01:C0:22:FC:8A as main device for master 0.
[Tue Jan  7 11:51:56 2020] EtherCAT 0: Starting EtherCAT-IDLE thread.
[Tue Jan  7 11:52:01 2020] EtherCAT 0: Link state of ecm0 changed to UP.
[Tue Jan  7 11:52:01 2020] EtherCAT WARNING 0: 1 datagram TIMED OUT!
[Tue Jan  7 11:52:01 2020] EtherCAT 0: 1 slave(s) responding on main device.
[Tue Jan  7 11:52:01 2020] EtherCAT 0: Slave states on main device: INIT.
[Tue Jan  7 11:52:01 2020] EtherCAT 0: Scanning bus.
[Tue Jan  7 11:52:02 2020] EtherCAT 0: Bus scanning completed in 744 ms.
[Tue Jan  7 11:52:02 2020] EtherCAT 0: Using slave 0 as DC reference clock.
[Tue Jan  7 11:52:02 2020] EtherCAT 0: Starting EoE thread.
[Tue Jan  7 11:52:02 2020] EtherCAT 0: Slave states on main device: PREOP.
[Tue Jan  7 11:52:04 2020] EtherCAT ERROR 0-0: Failed to set OP state, slave refused state change (SAFEOP + ERROR).
[Tue Jan  7 11:52:04 2020] EtherCAT ERROR 0-0: AL status message 0x001B: "Sync manager watchdog".
[Tue Jan  7 11:52:04 2020] EtherCAT 0-0: Acknowledged state SAFEOP.
[Tue Jan  7 11:52:04 2020] EtherCAT 0: Slave states on main device: SAFEOP.
[Tue Jan  7 11:56:39 2020] EtherCAT: Requesting master 0...
[Tue Jan  7 11:56:39 2020] EtherCAT: Successfully requested master 0.
[Tue Jan  7 11:56:39 2020] EtherCAT 0: Domain0: Logical address 0x00000000, 32 byte, expected working counter 1.
[Tue Jan  7 11:56:39 2020] EtherCAT 0:   Datagram domain0-0-main: Logical offset 0x00000000, 32 byte, type LWR.
[Tue Jan  7 11:56:39 2020] EtherCAT 0: Master thread exited.
[Tue Jan  7 11:56:39 2020] EtherCAT 0: Stopping EoE thread.
[Tue Jan  7 11:56:39 2020] EtherCAT 0: EoE thread exited.
[Tue Jan  7 11:56:39 2020] EtherCAT 0: Starting EoE thread.
[Tue Jan  7 11:56:39 2020] EtherCAT 0: Starting EtherCAT-OP thread.
[Tue Jan  7 11:56:40 2020] EtherCAT 0: Domain 0: Working counter changed to 1/1
[Tue Jan  7 11:56:41 2020] EtherCAT 0: Slave states on main device: OP.