Target : 24:de:c6:c9:7e:8e ----------Download log start---------- Executing '/aruba/bin/download_image_swarm http://images.arubanetworks.com/fwfiles/ArubaInstant_Cassiopeia_6.3.1.8-4.0.0.7_44641' fetching ('/usr/sbin/wget -T 120 -t 3 http://images.arubanetworks.com/fwfiles/ArubaInstant_Cassiopeia_6.3.1.8-4.0.0.7_44641') Error: failed to retrieve image cleaning up done ----------Download log end------------ Download status: Retrieve image fail ----------Upgrade log start---------- upgrade log not available ----------Upgrade log end------------ Upgrade status: upgrade status not available