@@ -6,6 +6,7 @@ import (

 	"net/http"

 	"os"

+	"github.com/Sirupsen/logrus"

 	"github.com/docker/distribution"

 	"github.com/docker/distribution/context"

 	"github.com/docker/distribution/manifest/schema2"

@@ -34,11 +35,13 @@ func (ld *v2LayerDescriptor) open(ctx context.Context) (distribution.ReadSeekClo

 	// Find the first URL that results in a 200 result code.

 	for _, url := range ld.src.URLs {

+		logrus.Debugf("Pulling %v from foreign URL %v", ld.digest, url)

 		rsc = transport.NewHTTPReadSeeker(http.DefaultClient, url, nil)

 		_, err = rsc.Seek(0, os.SEEK_SET)

 		if err == nil {

 			break

 		}

+		logrus.Debugf("Download for %v failed: %v", ld.digest, err)

 		rsc.Close()

 		rsc = nil

 	}