gaige@lwtloader1:~$ sudo dmesg -wH
[Dec 4 10:19] EtherCAT: Requesting master 0...
[  +0.000004] EtherCAT: Successfully requested master 0.
[  +0.000184] EtherCAT 0: Domain0: Logical address 0x00000000, 62 byte, expected working counter 9.
[  +0.000002] EtherCAT 0:   Datagram domain0-0-main: Logical offset 0x00000000, 62 byte, type LRW.
[  +0.000011] EtherCAT 0: Master thread exited.
[  +0.000002] EtherCAT 0: Starting EtherCAT-OP thread.
[  +0.000032] EtherCAT WARNING 0: 1 datagram UNMATCHED!
[  +5.484336] EtherCAT ERROR 0-0: Failed to set SAFEOP state, slave refused state change (PREOP + ERROR).
[  +0.001000] EtherCAT ERROR 0-0: Unknown AL status code 0x0009.
[  +0.002003] EtherCAT 0-0: Acknowledged state PREOP.
[  +4.834050] EtherCAT 0: Domain 0: Working counter changed to 3/9.
[  +4.488046] EtherCAT 0: Domain 0: Working counter changed to 6/9.
[  +0.304613] EtherCAT 0: Slave states on main device: PREOP, OP.