maas 1.7 download error

2015-02-04 12:33:31-0500 [-] Logged OOPS id OOPS-f848743d9ce75d36b0e641967692a91d: error: [Errno 104] Connection reset by peer
2015-02-04 12:38:31-0500 [-] Unhandled Error
        Traceback (most recent call last):
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 423, in errback
            self._startRunCallbacks(fail)
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 490, in _startRunCallbacks
            self._runCallbacks()
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 577, in _runCallbacks
            current.result = callback(current.result, *args, **kw)
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 1155, in gotResult
            _inlineCallbacks(r, g, deferred)
        --- <exception caught here> ---
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 1097, in _inlineCallbacks
            result = result.throwExceptionIntoGenerator(g)
          File "/usr/lib/python2.7/dist-packages/twisted/python/failure.py", line 389, in throwExceptionIntoGenerator
            return g.throw(self.type, self.value, self.tb)
          File "/usr/lib/python2.7/dist-packages/provisioningserver/pserv_services/image_download_service.py", line 130, in maybe_start_download
            yield self._start_download()
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 1097, in _inlineCallbacks
            result = result.throwExceptionIntoGenerator(g)
          File "/usr/lib/python2.7/dist-packages/twisted/python/failure.py", line 389, in throwExceptionIntoGenerator
            return g.throw(self.type, self.value, self.tb)
          File "/usr/lib/python2.7/dist-packages/provisioningserver/pserv_services/image_download_service.py", line 121, in _start_download
            get_proxy_url("https"))
          File "/usr/lib/python2.7/dist-packages/twisted/python/threadpool.py", line 191, in _worker
            result = context.call(ctx, function, *args, **kwargs)
          File "/usr/lib/python2.7/dist-packages/twisted/python/context.py", line 118, in callWithContext
            return self.currentContext().callWithContext(ctx, func, *args, **kw)
          File "/usr/lib/python2.7/dist-packages/twisted/python/context.py", line 81, in callWithContext
            return func(*args,**kw)
          File "/usr/lib/python2.7/dist-packages/provisioningserver/utils/twisted.py", line 148, in wrapper
            return func(*args, **kwargs)
          File "/usr/lib/python2.7/dist-packages/provisioningserver/rpc/boot_images.py", line 87, in _run_import
            boot_resources.import_images(sources)
          File "/usr/lib/python2.7/dist-packages/provisioningserver/import_images/boot_resources.py", line 268, in import_images
            install_boot_loaders(snapshot_path, image_descriptions.get_image_arches())
          File "/usr/lib/python2.7/dist-packages/provisioningserver/import_images/boot_resources.py", line 102, in install_boot_loaders
            boot_method.install_bootloader(destination)
          File "/usr/lib/python2.7/dist-packages/provisioningserver/boot/uefi.py", line 208, in install_bootloader
            if download_grubnet(archive_url, grub_tmp) is False:
          File "/usr/lib/python2.7/dist-packages/provisioningserver/boot/uefi.py", line 134, in download_grubnet
            stream.write(response.read())
          File "/usr/lib/python2.7/socket.py", line 351, in read
            data = self._sock.recv(rbufsize)
          File "/usr/lib/python2.7/httplib.py", line 567, in read
            s = self.fp.read(amt)
          File "/usr/lib/python2.7/socket.py", line 380, in read
            data = self._sock.recv(left)
        socket.error: [Errno 104] Connection reset by peer