to support TCP_FAST_OPEN, we're considering just using
two TCP connections in parallel per request, one with
and one without. this allows us to safely fire both
concurrently without stressing out the node too much.
see https://review.dev.storj.io/c/storj/storj/+/9933
Change-Id: I9aa8a0252350db5ace04ee125bfe469203e980ec
