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net: TestLookupHostCancel and TestCloseRead flaky on Yosemite #25694
All with this failure mode:
I think these are all just ulimit issues. I recall from a previous bug that "no such host" is a red herring... it's really just some socket creation error in the DNS lookup process.
I suspect the net package has grown parallel enough that we're up against the Mac's low limits.
We should probably have the buildlet crank up the limit on start-up.