TCP: Obvious Retransmissions are marked as Out-of-Order
Some packets were reluctant to be correctly identified as Retransmissions while they are preceded by identical packets with the same sequence number and length. In addition to the sequence numbers checks, we now also check if there are similar packets waiting to be acknowledged, meaning they are Retransmissions.
Fixes #13284 (closed) #13843 (closed) See #13863 (closed).
Edited by Eugène Adell