As per title, on the http://kali2.mirror.garr.it/mirrors/kali/ mirror, gives hashsum mismatch errors, even on fresh installs. Switched to http://archive-3.kali.org/kali/ mirror and update works fine. Have not tried other mirrors
~# apt-get update
Hit http://http.kali.org sana InRelease
Get:1 http://http.kali.org sana/main Sources [9,090 kB]
Hit http://security.kali.org sana/updates InRelease
Get:2 http://http.kali.org sana/main amd64 Packages [12.8 MB]
Hit http://security.kali.org sana/updates/contrib Sources
Hit http://security.kali.org sana/updates/non-free Sources
Hit http://http.kali.org sana/non-free Sources
Get:3 http://security.kali.org sana/updates/main Sources [80.9 kB]
Hit http://http.kali.org sana/contrib Sources
Hit http://security.kali.org sana/updates/contrib amd64 Packages
Hit http://security.kali.org sana/updates/non-free amd64 Packages
Ign http://http.kali.org sana/contrib Translation-en_GB
Ign http://http.kali.org sana/contrib Translation-en
Hit http://http.kali.org sana/non-free amd64 Packages
Get:4 http://security.kali.org sana/updates/main amd64 Packages [252 kB]
Ign http://security.kali.org sana/updates/contrib Translation-en
Ign http://http.kali.org sana/main Translation-en_GB
Hit http://http.kali.org sana/contrib amd64 Packages
Ign http://http.kali.org sana/main Translation-en
Ign http://security.kali.org sana/updates/contrib Translation-en_GB
Ign http://http.kali.org sana/non-free Translation-en_GB
Ign http://security.kali.org sana/updates/main Translation-en_GB
Ign http://http.kali.org sana/non-free Translation-en
Ign http://security.kali.org sana/updates/main Translation-en
Ign http://security.kali.org sana/updates/non-free Translation-en_GB
Ign http://security.kali.org sana/updates/non-free Translation-en
Fetched 22.2 MB in 14s (1,501 kB/s)
W: Failed to fetch http://http.kali.org/kali/dists/sana/main/source/Sources Hash Sum mismatch
W: Failed to fetch http://http.kali.org/kali/dists/sana/main/binary-amd64/Packages Hash Sum mismatch
W: Failed to fetch http://security.kali.org/kali-security/dists/sana/updates/main/source/Sources Hash Sum mismatch
W: Failed to fetch http://security.kali.org/kali-security/dists/sana/updates/main/binary-amd64/Packages Hash Sum mismatch
E: Some index files failed to download. They have been ignored, or old ones used instead. | 
