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very strange log on a switch

Anyone knows what that means, we are getting a lot of falformed and checksum errors and this is what the switch logs say:

Sep 15 23:46:36.096: TPLUS(000011A6)/0/READ: Would block while reading

*Sep 15 23:46:36.222: TPLUS(000011A6)/0/READ: socket event 1

*Sep 15 23:46:36.222: TPLUS(000011A6)/0/READ: read entire 12 header bytes (expect 16 bytes data)

*Sep 15 23:46:36.222: TPLUS(000011A6)/0/READ: socket event 1

*Sep 15 23:46:36.222: TPLUS(000011A6)/0/READ: read entire 28 bytes response

*Sep 15 23:46:36.222: TPLUS(000011A6)/0/52C099C: Processing the reply packet

*Sep 15 23:46:36.222: TPLUS: Received authen response status GET_PASSWORD (8)

*Sep 15 23:46:36.222: TPLUS: Queuing AAA Authentication request 4518 for processing

*Sep 15 23:46:36.222: TPLUS: processing authentication continue request id 4518

*Sep 15 23:46:36.222: TPLUS: Authentication continue packet generated for 4518

*Sep 15 23:46:36.222: TPLUS(000011A6)/0/WRITE/52C099C: Started 5 sec timeout

*Sep 15 23:46:36.222: TPLUS(000011A6)/0/WRITE: wrote entire 27 bytes request

*Sep 15 23:46:36.683: TPLUS(000011A6)/0/READ: socket event 1

*Sep 15 23:46:36.691: TPLUS(000011A6)/0/READ: read entire 12 header bytes (expect 6 bytes data)

*Sep 15 23:46:36.691: TPLUS(000011A6)/0/READ: socket event 1

*Sep 15 23:46:36.691: TPLUS(000011A6)/0/READ: read entire 18 bytes response

*Sep 15 23:46:36.691: TPLUS(000011A6)/0/52C099C: Processing the reply packet

*Sep 15 23:46:36.691: TPLUS: Received authen response status FAIL (3)

*Sep 15 23:46:41.204: TPLUS: Queuing AAA Authentication request 4518 for processing

*Sep 15 23:46:41.204: TPLUS: processing authentication start request id 4518

*Sep 15 23:46:41.213: TPLUS: Authentication start packet created for 4518(rshuster)

*Sep 15 23:46:41.213: TPLUS: Using server 10.20.4.25

*Sep 15 23:46:41.213: TPLUS(000011A6)/0/NB_WAIT/52C00F8: Started 5 sec timeout

*Sep 15 23:46:41.330: TPLUS(000011A6)/0/NB_WAIT: socket event 2

*Sep 15 23:46:41.330: TPLUS(000011A6)/0/NB_WAIT: wrote entire 43 bytes request

*Sep 15 23:46:41.330: TPLUS(000011A6)/0/READ: socket event 1

*Sep 15 23:46:41.330: TPLUS(000011A6)/0/READ: Would block while reading

*Sep 15 23:46:41.456: TPLUS(000011A6)/0/READ: socket event 1

*Sep 15 23:46:41.456: TPLUS(000011A6)/0/READ: read entire 12 header bytes (expect 16 bytes data)

*Sep 15 23:46:41.456: TPLUS(000011A6)/0/READ: socket event 1

*Sep 15 23:46:41.456: TPLUS(000011A6)/0/READ: read entire 28 bytes response

*Sep 15 23:46:41.456: TPLUS(000011A6)/0/52C00F8: Processing the reply packet

*Sep 15 23:46:41.456: TPLUS: Received authen response status GET_PASSWORD (8)

*Sep 15 23:46:41.456: TPLUS: Queuing AAA Authentication request 4518 for processing

*Sep 15 23:46:41.456: TPLUS: processing authentication continue request id 4518

*Sep 15 23:46:41.456: TPLUS: Authentication continue packet generated for 4518

*Sep 15 23:46:41.456: TPLUS(000011A6)/0/WRITE/52C00F8: Started 5 sec timeout

*Sep 15 23:46:41.456: TPLUS(000011A6)/0/WRITE: wrote entire 29 bytes request

*Sep 15 23:46:41.674: TPLUS(000011A6)/0/READ: socket event 1

*Sep 15 23:46:41.674: TPLUS(000011A6)/0/READ: read entire 12 header bytes (expect 6 bytes data)

*Sep 15 23:46:41.674: TPLUS(000011A6)/0/READ: socket event 1

*Sep 15 23:46:41.674: TPLUS(000011A6)/0/READ: read entire 18 bytes response

*Sep 15 23:46:41.674: TPLUS(000011A6)/0/52C00F8: Processing the reply packet

*Sep 15 23:46:41.674: TPLUS: Received authen response status PASS (2)

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very strange log on a switch

What's strange, you must have a debug tacacs running and I see one failed and one passed authentification.

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