Set up docker to handle more than 31 neworks

bash.sh

#!/bin/bash

vim /etc/docker/daemon.json
service docker restart
docker network create foo
docker network inspect foo | grep Subnet # "Subnet": "10.10.1.0/24"

daemon.json

{
  "default-address-pools":
  [
    {"base":"10.10.0.0/16","size":24}
  ]
}