apt update
Get:1 http://127.0.0.1/ubuntu xenial InRelease [247 kB]
Ign:2 http://127.0.0.1/ubuntu xenial/main amd64 Packages
Ign:3 http://127.0.0.1/ubuntu xenial/main i386 Packages
Ign:4 http://127.0.0.1/ubuntu xenial/main Translation-en
Ign:5 http://127.0.0.1/ubuntu xenial/restricted amd64 Packages
Ign:6 http://127.0.0.1/ubuntu xenial/restricted i386 Packages
Ign:7 http://127.0.0.1/ubuntu xenial/restricted Translation-en
Ign:8 http://127.0.0.1/ubuntu xenial/universe amd64 Packages
Ign:9 http://127.0.0.1/ubuntu xenial/universe i386 Packages
Ign:10 http://127.0.0.1/ubuntu xenial/universe Translation-en
Get:2 http://127.0.0.1/ubuntu xenial/main amd64 Packages [1201 kB]
Ign:3 http://127.0.0.1/ubuntu xenial/main i386 Packages
Get:4 http://127.0.0.1/ubuntu xenial/main Translation-en [568 kB]
Get:5 http://127.0.0.1/ubuntu xenial/restricted amd64 Packages [8344 B]
Ign:6 http://127.0.0.1/ubuntu xenial/restricted i386 Packages
Get:7 http://127.0.0.1/ubuntu xenial/restricted Translation-en [2908 B]
Get:8 http://127.0.0.1/ubuntu xenial/universe amd64 Packages [7532 kB]
Ign:9 http://127.0.0.1/ubuntu xenial/universe i386 Packages
Get:10 http://127.0.0.1/ubuntu xenial/universe Translation-en [4354 kB]
Ign:3 http://127.0.0.1/ubuntu xenial/main i386 Packages
Ign:6 http://127.0.0.1/ubuntu xenial/restricted i386 Packages
Ign:9 http://127.0.0.1/ubuntu xenial/universe i386 Packages
Err:3 http://127.0.0.1/ubuntu xenial/main i386 Packages
  404  Not Found
Ign:6 http://127.0.0.1/ubuntu xenial/restricted i386 Packages
Ign:9 http://127.0.0.1/ubuntu xenial/universe i386 Packages
Fetched 13.9 MB in 1s (8286 kB/s)
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
	LANGUAGE = "es_CO:es",
	LC_ALL = (unset),
	LC_CTYPE = "UTF-8",
	LANG = "es_CO.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to a fallback locale ("es_CO.UTF-8").
Reading package lists... Done
E: Failed to fetch http://127.0.0.1/ubuntu/dists/xenial/main/binary-i386/Packages  404  Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.