> Is this something that even needs to be addressed, since the receiver
> would discard the packet if the checksum is incorrect, but since it's over
> loopback, there's no chance of receiving data corrupted by the transport
> medium and loopback ignores the checksum?
This is an intentional optimization. Loopback doesn't need checksums,
so it doesn't generate or check them.
-Andi
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