Docker pull download occurs error pulling image configuration:

• This problem, and in the end came with net error message / http: TLS handshake timeout:
• Guess is related to configuration issues docker, resulting in not by TLS handshake
• Run the following commands to modify the configuration

echo "DOCKER_OPTS=\"\$DOCKER_OPTS --registry-mirror=http://f2d6cb40.m.daocloud.io\"" | sudo tee -a /etc/default/docker

• Then you can use docker pull pull mirrored (I can not be restarted docker, if not, systemctl restart docker restart)

• Not only is the docker's official website, you can also find other mirror sites via http