
In install_docker.sh, we will restart docker service, then connect to /var/run/docker.sock with retry mechanism. At the first contacting with /var/run/docker.sock, when docker service is not ready, it may complain some error. Mute this false alarm. Change-Id: If00a18d2e3ddee951662e272d47ae84215f16ad2 Closes-Bug: #1252087