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Hit:1 http://archive.canonical.com/ubuntu xenial InRelease
Ign:2 http://www.mirrorservice.org/sites/packages.linuxmint.com/packages serena InRelease
Hit:3 http://archive.ubuntu.com/ubuntu xenial InRelease
Get:4 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]
Hit:5 http://www.mirrorservice.org/sites/packages.linuxmint.com/packages serena Release
Get:6 http://archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB]
Get:7 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB]
Ign:8 https://download.docker.com/linux/ubuntu serena InRelease
Ign:9 https://download.docker.com/linux/ubuntu serena Release
Ign:10 https://download.docker.com/linux/ubuntu serena/stable amd64 Packages
Ign:11 https://download.docker.com/linux/ubuntu serena/stable all Packages
Ign:12 https://download.docker.com/linux/ubuntu serena/stable Translation-en_GB
Ign:13 https://download.docker.com/linux/ubuntu serena/stable Translation-en
Ign:10 https://download.docker.com/linux/ubuntu serena/stable amd64 Packages
Ign:11 https://download.docker.com/linux/ubuntu serena/stable all Packages
Ign:12 https://download.docker.com/linux/ubuntu serena/stable Translation-en_GB
Ign:13 https://download.docker.com/linux/ubuntu serena/stable Translation-en
Ign:10 https://download.docker.com/linux/ubuntu serena/stable amd64 Packages
Ign:11 https://download.docker.com/linux/ubuntu serena/stable all Packages
Ign:12 https://download.docker.com/linux/ubuntu serena/stable Translation-en_GB
Ign:13 https://download.docker.com/linux/ubuntu serena/stable Translation-en
Ign:10 https://download.docker.com/linux/ubuntu serena/stable amd64 Packages
Ign:11 https://download.docker.com/linux/ubuntu serena/stable all Packages
Ign:12 https://download.docker.com/linux/ubuntu serena/stable Translation-en_GB
Ign:13 https://download.docker.com/linux/ubuntu serena/stable Translation-en
Ign:10 https://download.docker.com/linux/ubuntu serena/stable amd64 Packages
Ign:11 https://download.docker.com/linux/ubuntu serena/stable all Packages
Ign:12 https://download.docker.com/linux/ubuntu serena/stable Translation-en_GB
Ign:13 https://download.docker.com/linux/ubuntu serena/stable Translation-en
Err:10 https://download.docker.com/linux/ubuntu serena/stable amd64 Packages
  403  Forbidden
Ign:11 https://download.docker.com/linux/ubuntu serena/stable all Packages
Ign:12 https://download.docker.com/linux/ubuntu serena/stable Translation-en_GB
Ign:13 https://download.docker.com/linux/ubuntu serena/stable Translation-en
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