dur_passthrough.js failing on Nightly Linux 64-bit

Testing that persistent connections increased the current and totalCreated counters

...

assert.soon failed: function () {

                    currentConnInfo = db.serverStatus().connections;

                    return (expectedCurrentConnections == currentConnInfo.current) &&

                        (expectedTotalConnections, currentConnInfo.totalCreated);

                }, msg:Incorrect connection numbers. Expected 83 current connections and 105 total connections. Connection info from serverStatus: { "current" : 82, "available" : 737, "totalCreated" : NumberLong(106) }

Error: Printing Stack Trace

    at printStackTrace (src/mongo/shell/utils.js:37:15)

    at doassert (src/mongo/shell/assert.js:6:5)

    at Function.assert.soon (src/mongo/shell/assert.js:174:60)

    at waitForConnections (jstests/connections_opened.js:29:12)

    at jstests/connections_opened.js:55:1

    at /mntfast/data/slave/Linux_64bit_Nightly/mongo/jstests/dur/dur_passthrough.js:35:68

    at Function.Date.timeFunc (src/mongo/shell/types.js:27:17)

    at /mntfast/data/slave/Linux_64bit_Nightly/mongo/jstests/dur/dur_passthrough.js:35:45

    at Array.forEach (native)

    at doTest (/mntfast/data/slave/Linux_64bit_Nightly/mongo/jstests/dur/dur_passthrough.js:18:11)

Wed Jul  3 13:50:36.452 assert.soon failed: function () {

                    currentConnInfo = db.serverStatus().connections;

                    return (expectedCurrentConnections == currentConnInfo.current) &&

                        (expectedTotalConnections, currentConnInfo.totalCreated);

                }, msg:Incorrect connection numbers. Expected 83 current connections and 105 total connections. Connection info from serverStatus: { "current" : 82, "available" : 737, "totalCreated" : NumberLong(106) } at src/mongo/shell/assert.js:7

Wed Jul  3 13:50:36.452 Error: error loading js file: jstests/connections_opened.js at /mntfast/data/slave/Linux_64bit_Nightly/mongo/jstests/dur/dur_passthrough.js:35

failed to load: /mntfast/data/slave/Linux_64bit_Nightly/mongo/jstests/dur/dur_passthrough.js