I've been getting 404 errors on apt-get update/upgrade/dist-upgrade for the past few days. How do I fix this on this Kali 2 box? thanks
I have rebooted and tried pointing to other mirrors with no luck.

source.list
## Security updates
deb http://http.kali.org/kali kali main non-free contrib
deb http://security.kali.org/kali-security kali/updates main contrib non-free


Errors:
Err http://security.kali.org kali/updates/main amd64 Packages
404 Not Found
Ign http://http.kali.org kali/non-free Translation-en
Err http://security.kali.org kali/updates/contrib amd64 Packages
404 Not Found
Err http://http.kali.org kali/main amd64 Packages
404 Not Found
Err http://security.kali.org kali/updates/non-free amd64 Packages
404 Not Found
Err http://http.kali.org kali/non-free amd64 Packages
404 Not Found
Err http://http.kali.org kali/contrib amd64 Packages
404 Not Found
W: Failed to fetch http://security.kali.org/kali-securi...amd64/Packages 404 Not Found

W: Failed to fetch http://http.kali.org/kali/dists/kali...amd64/Packages 404 Not Found

W: Failed to fetch http://security.kali.org/kali-securi...amd64/Packages 404 Not Found

W: Failed to fetch http://security.kali.org/kali-securi...amd64/Packages 404 Not Found

W: Failed to fetch http://http.kali.org/kali/dists/kali...amd64/Packages 404 Not Found

W: Failed to fetch http://http.kali.org/kali/dists/kali...amd64/Packages 404 Not Found

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