Upgrade from kali1 to kali2

[qpicss]

Hey,
i'm trying to upgrade to sana and no luck
Any idea what is wrong?

this is what i did

cat << EOF > /etc/apt/sources.list
deb http://http.kali.org/kali sana main non-free contrib
deb http://security.kali.org/kali-security/ sana/updates main contrib non-free
EOF

apt-get update
apt-get dist-upgrade

this is the otput

Hit http://dl.google.com stable Release.gpg                                    
Hit http://dl.google.com stable Release                                        
Hit http://dl.google.com stable/main amd64 Packages                   
Ign http://dl.google.com stable/main Translation-en_US                         
Ign http://dl.google.com stable/main Translation-en                   
Ign http://security.kali.org sana/updates Release.gpg                          
Ign http://http.kali.org sana Release.gpg       
Ign http://security.kali.org sana/updates Release
Ign http://http.kali.org sana Release           
Ign http://security.kali.org sana/updates/main amd64 Packages/DiffIndex
Ign http://http.kali.org sana/main amd64 Packages/DiffIndex
Ign http://http.kali.org sana/non-free amd64 Packages/DiffIndex
Ign http://security.kali.org sana/updates/contrib amd64 Packages/DiffIndex
Ign http://http.kali.org sana/contrib amd64 Packages/DiffIndex
Ign http://security.kali.org sana/updates/non-free amd64 Packages/DiffIndex
Ign http://http.kali.org sana/contrib Translation-en_US
Ign http://http.kali.org sana/contrib Translation-en
Ign http://http.kali.org sana/main Translation-en_US
Ign http://http.kali.org sana/main Translation-en
Ign http://http.kali.org sana/non-free Translation-en_US
Ign http://http.kali.org sana/non-free Translation-en
Ign http://security.kali.org sana/updates/contrib Translation-en_US
Ign http://security.kali.org sana/updates/contrib Translation-en
Ign http://security.kali.org sana/updates/main Translation-en_US
Ign http://security.kali.org sana/updates/main Translation-en
Ign http://security.kali.org sana/updates/non-free Translation-en_US
Ign http://security.kali.org sana/updates/non-free Translation-en
Err http://http.kali.org sana/main amd64 Packages
  
Err http://http.kali.org sana/non-free amd64 Packages
  
Err http://http.kali.org sana/contrib amd64 Packages
  
Err http://security.kali.org sana/updates/main amd64 Packages
  
Err http://security.kali.org sana/updates/contrib amd64 Packages
  
Err http://security.kali.org sana/updates/non-free amd64 Packages
  
Hit http://http.kali.org sana/main amd64 Packages
Err http://http.kali.org sana/non-free amd64 Packages                          
  504  Gateway Time-out [IP: 147.52.159.12 80]
Err http://http.kali.org sana/contrib amd64 Packages
  502  Bad Gateway [IP: 147.52.159.12 80]
Err http://security.kali.org sana/updates/main amd64 Packages
  502  Bad Gateway [IP: 147.52.159.12 80]
Err http://security.kali.org sana/updates/contrib amd64 Packages
  502  Bad Gateway [IP: 147.52.159.12 80]
Err http://security.kali.org sana/updates/non-free amd64 Packages
  504  Gateway Time-out [IP: 147.52.159.12 80]
W: Failed to fetch http://security.kali.org/kali-security/dists/sana/updates/main/binary-amd64/Packages  502  Bad Gateway [IP: 147.52.159.12 80]

W: Failed to fetch http://http.kali.org/kali/dists/sana/non-free/binary-amd64/Packages  504  Gateway Time-out [IP: 147.52.159.12 80]

W: Failed to fetch http://security.kali.org/kali-security/dists/sana/updates/contrib/binary-amd64/Packages  502  Bad Gateway [IP: 147.52.159.12 80]

W: Failed to fetch http://http.kali.org/kali/dists/sana/contrib/binary-amd64/Packages  502  Bad Gateway [IP: 147.52.159.12 80]

W: Failed to fetch http://security.kali.org/kali-security/dists/sana/updates/non-free/binary-amd64/Packages  504  Gateway Time-out [IP: 147.52.159.12 80]

E: Some index files failed to download. They have been ignored, or old ones used instead.

Thanks.