ResponseToHEADrequest

[root@mymachine swift]# curl -k -v -H 'X-Auth-Token: AUTH_tk37dd961098094d79b7b95deb20845a18' http://xxx.xx.xxx.xxx:8080/v1/AUTH_system

* About to connect() to xxx.xx.xxx.xxx port 8080 (#0)
*   Trying xxx.xx.xxx.xxx... connected
* Connected to xxx.xx.xxx.xxx (xxx.xx.xxx.xxx) port 8080 (#0)
> GET /v1/AUTH_system HTTP/1.1
> User-Agent: curl/7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.15.3 zlib/1.2.3 libidn/1.18 libssh2/1.4.2
> Host: xxx.xx.xxx.xxx:8080
> Accept: */*
> X-Auth-Token: AUTH_tk37dd961098094d79b7b95deb20845a18
>
< HTTP/1.1 400 Bad Request
< Content-Length: 41
< Content-Type: text/html; charset=UTF-8
< X-Trans-Id: txf8750e4236b54842b28f4-005403dcb0
< Date: Mon, 01 Sep 2014 02:40:48 GMT
<
* Connection #0 to host xxx.xx.xxx.xxx left intact
* Closing connection #0
Invalid path: /node_for_swift/sdf1/807/AUTH_system