It seems to me that a previous post was pretty clear about the cause of this and about what to do to resolve it
it a collision on the out-of-band-ethernet management bus ( EOBC) for the line cards only. it is not critical. you can disable it with command no service internal.
What causes this error - it is a collision on the management bus and so does not impact user traffic.
Is it an important error - no it is not important.
How to resolve it - configure no service internal
... View more