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You need to install 1.21.1 CS(Commercial Support) version of the Docker Engine specific commercial version, in case Ubuntu, here is the way to do that:

sudo rpm –import "https://sks-keyservers.net/pks/lookup?op=get&search=0xee6d536cf7dc86e2d7d56f59a178ac6c6238f52e"

curl -s 'https://sks-keyservers.net/pks/lookup?op=get&search=0xee6d536cf7dc86e2d7d56f59a178ac6c6238f52e' | sudo apt-key add –import

sudo apt-get update && sudo apt-get install apt-transport-https

sudo apt-get install -y linux-image-extra-$(uname -r) linux-image-extra-virtual

echo "deb https://packages.docker.com/1.12/apt/repo ubuntu-trusty main" | sudo tee /etc/apt/sources.list.d/docker.list

sudo apt-get update && sudo apt-get install docker-engine=1.12.1~cs1-0~trusty

docker info

service docker restart