Any advice ? I tried to change source list but it did not help.fresh install kali 2016.1 Unable to connect network mirror kali 2.0 same problem

Unable to download- http://cdimage.kali.org/kali-2016.1/...16.1-amd64.iso

root@kali:~# apt update
Err:1 http://kali.mirror.garr.it/mirrors/kali kali-rolling InRelease
Cannot initiate the connection to kali.mirror.garr.it:80 (2001:760:ffff:b6:4:100:0:69). - connect (101: Network is unreachable) [IP: 2001:760:ffff:b6:4:100:0:69 80]
Reading package lists... Done
Building dependency tree
Reading state information... Done
All packages are up to date.
W: Failed to fetch http://http.kali.org/kali/dists/kali-rolling/InRelease Cannot initiate the connection to kali.mirror.garr.it:80 (2001:760:ffff:b6:4:100:0:69). - connect (101: Network is unreachable) [IP: 2001:760:ffff:b6:4:100:0:69 80]
W: Some index files failed to download. They have been ignored, or old ones used instead.