apt-get update output

ubuntu@ip-172-31-2-21:~$ sudo apt-get update
Ign http://security.ubuntu.com trusty-security InRelease
Hit http://security.ubuntu.com trusty-security Release.gpg
Hit http://security.ubuntu.com trusty-security Release
Ign s3://s3-eu-west-1.amazonaws.com trusty InRelease
Hit http://security.ubuntu.com trusty-security/main Sources
Ign s3://s3-eu-west-1.amazonaws.com trusty InRelease
Hit http://security.ubuntu.com trusty-security/universe Sources
Hit http://security.ubuntu.com trusty-security/main amd64 Packages
Ign s3://s3-eu-west-1.amazonaws.com trusty Release.gpg
Hit http://security.ubuntu.com trusty-security/universe amd64 Packages
Hit http://security.ubuntu.com trusty-security/main Translation-en
Hit http://security.ubuntu.com trusty-security/universe Translation-en
Ign s3://s3-eu-west-1.amazonaws.com trusty Release.gpg
Get:1 s3://s3-eu-west-1.amazonaws.com trusty Release [1525 B]
Hit s3://s3-eu-west-1.amazonaws.com trusty Release
Ign s3://s3-eu-west-1.amazonaws.com trusty/main amd64 Packages/DiffIndex
Ign s3://s3-eu-west-1.amazonaws.com trusty/main amd64 Packages/DiffIndex
Get:2 s3://s3-eu-west-1.amazonaws.com trusty/main amd64 Packages [3025 B]
Ign s3://s3-eu-west-1.amazonaws.com trusty/main Translation-en
Hit s3://s3-eu-west-1.amazonaws.com trusty/main amd64 Packages
Ign s3://s3-eu-west-1.amazonaws.com trusty/main Translation-en
100% [Connecting to eu-central-1b.clouds.archive.ubuntu.com (91.189.92.179)]