no image log

xx

10073 ~/tmp » curl -v -o /dev/null -H "Host: mxycforum.u.qiniudn.com" http://iovip.qbox.me/2014-07-22-af9ef033c73595ca9b260326fa19c6b6\?imageMogr/v2/auto-orient/thumbnail/750/ccffff
* Adding handle: conn: 0x7fe142804600
* Adding handle: send: 0
* Adding handle: recv: 0
* Curl_addHandleToPipeline: length: 1
* - Conn 0 (0x7fe142804600) send_pipe: 1, recv_pipe: 0
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0* About to connect() to iovip.qbox.me port 80 (#0)
*   Trying 183.136.139.17...
* Connected to iovip.qbox.me (183.136.139.17) port 80 (#0)
> GET /2014-07-22-af9ef033c73595ca9b260326fa19c6b6?imageMogr/v2/auto-orient/thumbnail/750/ccffff HTTP/1.1
> User-Agent: curl/7.30.0
> Accept: */*
> Host: mxycforum.u.qiniudn.com
>
  0     0    0     0    0     0      0      0 --:--:--  0:01:59 --:--:--     0< HTTP/1.1 200 OK
* Server nginx/1.4.4 is not blacklisted
< Server: nginx/1.4.4
< Date: Wed, 23 Jul 2014 02:31:02 GMT
< Content-Type: image/gif
< Content-Length: 21602705
< Connection: keep-alive
< Accept-Ranges: bytes
< Access-Control-Allow-Origin: *
< Cache-Control: public, max-age=31536000
< Etag: "AIHx0WlTwF2NCdUgbNwmPGtUtgYQ"
< X-Log: mc.g;DC/404;DC;FOPG:2;IO:5
< X-Reqid: A3UAAJK1PDu7aIMT
< Vary: Accept-Encoding
< X-Whom: nb263
<
{ [data not shown]
100 20.6M  100 20.6M    0     0   158k      0  0:02:12  0:02:12 --:--:-- 2044k
* Connection #0 to host iovip.qbox.me left intact