@@ -180,6 +180,7 @@ func (d *Daemon) getClientConfig() (*clientConfig, error) {

 	if err := sockets.ConfigureTransport(transport, proto, addr); err != nil {

 		return nil, err

 	}

+	transport.DisableKeepAlives = true

 	return &clientConfig{

 		transport: transport,

@@ -301,6 +302,7 @@ func (d *Daemon) StartWithLogFile(out *os.File, providedArgs ...string) error {

 			if err != nil {

 				continue

 			}

+			resp.Body.Close()

 			if resp.StatusCode != http.StatusOK {

 				d.log.Logf("[%s] received status != 200 OK: %s\n", d.id, resp.Status)

 			}

@@ -1169,6 +1169,7 @@ func (s *DockerSuite) TestContainerAPIChunkedEncoding(c *check.C) {

 		return nil

 	})

 	c.Assert(err, checker.IsNil, check.Commentf("error creating container with chunked encoding"))

+	defer resp.Body.Close()

 	c.Assert(resp.StatusCode, checker.Equals, http.StatusCreated)

 }

@@ -258,8 +258,9 @@ func createDeletePredefinedNetwork(c *check.C, name string) {

 func isNetworkAvailable(c *check.C, name string) bool {

 	resp, body, err := request.Get(daemonHost(), "/networks")

-	c.Assert(resp.StatusCode, checker.Equals, http.StatusOK)

 	c.Assert(err, checker.IsNil)

+	defer resp.Body.Close()

+	c.Assert(resp.StatusCode, checker.Equals, http.StatusOK)

 	nJSON := []types.NetworkResource{}

 	err = json.NewDecoder(body).Decode(&nJSON)

@@ -308,12 +309,13 @@ func getNetworkResource(c *check.C, id string) *types.NetworkResource {

 func createNetwork(c *check.C, config types.NetworkCreateRequest, shouldSucceed bool) string {

 	resp, body, err := request.Post(daemonHost(), "/networks/create", request.JSONBody(config))

+	c.Assert(err, checker.IsNil)

+	defer resp.Body.Close()

 	if !shouldSucceed {

 		c.Assert(resp.StatusCode, checker.Not(checker.Equals), http.StatusCreated)

 		return ""

 	}

-	c.Assert(err, checker.IsNil)

 	c.Assert(resp.StatusCode, checker.Equals, http.StatusCreated)

 	var nr types.NetworkCreateResponse

@@ -345,10 +347,11 @@ func disconnectNetwork(c *check.C, nid, cid string) {

 func deleteNetwork(c *check.C, id string, shouldSucceed bool) {

 	resp, _, err := request.Delete(daemonHost(), "/networks/"+id)

+	c.Assert(err, checker.IsNil)

+	defer resp.Body.Close()

 	if !shouldSucceed {

 		c.Assert(resp.StatusCode, checker.Not(checker.Equals), http.StatusOK)

 		return

 	}

 	c.Assert(resp.StatusCode, checker.Equals, http.StatusNoContent)

-	c.Assert(err, checker.IsNil)

 }

@@ -288,7 +288,7 @@ func (s *DockerSuite) TestLogsFollowGoroutinesWithStdout(c *check.C) {

 	}()

 	c.Assert(<-chErr, checker.IsNil)

 	c.Assert(cmd.Process.Kill(), checker.IsNil)

-

+	r.Close()

 	// NGoroutines is not updated right away, so we need to wait before failing

 	c.Assert(waitForGoroutines(nroutines), checker.IsNil)

 }

@@ -72,21 +72,25 @@ func (s *DockerRegistrySuite) TestUserAgentPassThrough(c *check.C) {

 	)

 	buildReg, err := registry.NewMock(c)

+	defer buildReg.Close()

 	c.Assert(err, check.IsNil)

 	registerUserAgentHandler(buildReg, &buildUA)

 	buildRepoName := fmt.Sprintf("%s/busybox", buildReg.URL())

 	pullReg, err := registry.NewMock(c)

+	defer pullReg.Close()

 	c.Assert(err, check.IsNil)

 	registerUserAgentHandler(pullReg, &pullUA)

 	pullRepoName := fmt.Sprintf("%s/busybox", pullReg.URL())

 	pushReg, err := registry.NewMock(c)

+	defer pushReg.Close()

 	c.Assert(err, check.IsNil)

 	registerUserAgentHandler(pushReg, &pushUA)

 	pushRepoName := fmt.Sprintf("%s/busybox", pushReg.URL())

 	loginReg, err := registry.NewMock(c)

+	defer loginReg.Close()

 	c.Assert(err, check.IsNil)

 	registerUserAgentHandler(loginReg, &loginUA)

@@ -3102,12 +3102,16 @@ func (s *DockerSuite) TestRunUnshareProc(c *check.C) {

 		}

 	}()

+	var retErr error

 	for i := 0; i < 3; i++ {

 		err := <-errChan

-		if err != nil {

-			c.Fatal(err)

+		if retErr == nil && err != nil {

+			retErr = err

 		}

 	}

+	if retErr != nil {

+		c.Fatal(retErr)

+	}

 }

 func (s *DockerSuite) TestRunPublishPort(c *check.C) {

@@ -38,6 +38,7 @@ func makefile(contents string) (string, func(), error) {

 // attempt to contact any v1 registry endpoints.

 func (s *DockerRegistrySuite) TestV2Only(c *check.C) {

 	reg, err := registry.NewMock(c)

+	defer reg.Close()

 	c.Assert(err, check.IsNil)

 	reg.RegisterHandler("/v2/", func(w http.ResponseWriter, r *http.Request) {

@@ -70,6 +71,7 @@ func (s *DockerRegistrySuite) TestV2Only(c *check.C) {

 // login, push, pull, build & run

 func (s *DockerRegistrySuite) TestV1(c *check.C) {

 	reg, err := registry.NewMock(c)

+	defer reg.Close()

 	c.Assert(err, check.IsNil)

 	v2Pings := 0

@@ -59,3 +59,8 @@ func NewMock(t testingT) (*Mock, error) {

 func (tr *Mock) URL() string {

 	return tr.hostport

 }

+

+// Close closes mock and releases resources

+func (tr *Mock) Close() {

+	tr.server.Close()

+}

@@ -129,6 +129,7 @@ func NewClient(host string) (*http.Client, error) {

 		}

 		transport = &http.Transport{TLSClientConfig: tlsConfig}

 	}

+	transport.DisableKeepAlives = true

 	err = sockets.ConfigureTransport(transport, proto, addr)

 	return &http.Client{

 		Transport: transport,