HTTP/1.1 200 OK
CACHE-CONTROL: max-age = 120
EXT: 
LOCATION: http://192.168.1.1:80/UPnP/IGD.xml
ST: upnp:rootdevice
SERVER: System/1.0 UPnP/1.0 IGD/1.0
USN: uuid:IGD{8c80f73f-4ba0-45fa-835d-042505d052be}000000000000::upnp:rootdevice