What is RSS in this context, ? My guess is that it's not this RSS https://en.wikipedia.org/wiki/RSS because I do not see how/why you should need any rule at L4 to maintain compatibility with an XML based protocol.
Is it possible they talk about : https://en.wikipedia.org/wiki/Network_interface_controller#R... ?
There's more info at https://code.facebook.com/posts/1906146702752923/open-sourci...
There's more info at https://code.facebook.com/posts/1906146702752923/open-sourci...