ECONNREFUSED from test-regress-GH-1697 on Linux (CentOS/Ubuntu)

[isaacs]

=== release test-regress-GH-1697 ===                                           
Path: simple/test-regress-GH-1697
Server running.
events.js:65
        throw arguments[1]; // Unhandled 'error' event
                       ^
Error: connect ECONNREFUSED
    at errnoException (net.js:768:11)
    at Object.afterConnect [as oncomplete] (net.js:759:19)
Command: out/Release/node /root/node/test/simple/test-regress-GH-1697.js