Josh Bleecher Snyder 138055dd70 tstest/natlab: use net.ErrClosed instead of a new error ... Upstream wireguard-go decided to use errors.Is(err, net.ErrClosed) instead of checking the error string. It also provided an unsafe linknamed version of net.ErrClosed for clients running Go 1.15. Switch to that. This reduces the time required for the wgengine/magicsock tests on my machine from ~35s back to the ~13s it was before 456cf8a376. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>		2021-02-05 13:44:46 -08:00
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stuntest.go	tstest/natlab: use net.ErrClosed instead of a new error	2021-02-05 13:44:46 -08:00