$ docker version
Client:
 Version:      1.12.0-dev
 API version:  1.25
 Go version:   go1.6.2
 Git commit:   906c1dc
 Built:        Fri Jun 17 16:48:48 2016
 OS/Arch:      linux/amd64
 Experimental: true

Server:
 Version:      1.12.0-dev
 API version:  1.25
 Go version:   go1.6.2
 Git commit:   906c1dc
 Built:        Fri Jun 17 16:48:48 2016
 OS/Arch:      linux/amd64
 Experimental: true

$ docker info
Containers: 0
 Running: 0
 Paused: 0
 Stopped: 0
Images: 0
Server Version: 1.12.0-dev
Storage Driver: aufs
 Root Dir: /var/lib/docker/aufs
 Backing Filesystem: extfs
 Dirs: 0
 Dirperm1 Supported: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
 Volume: local
 Network: host bridge overlay null
Swarm: active
 NodeID: cjz9ffldhgrc2r5v4zj5vvmbi
 IsManager: Yes
 Managers: 1
 Nodes: 1
 CACertHash: sha256:9e85419452564689e7f8a5c72069ae4abe7a7e1ff48958a024e1451cc7c89d7a
Runtimes: default
Default Runtime: default
Security Options: apparmor seccomp
Kernel Version: 4.2.0-23-generic
Operating System: Ubuntu 15.10
OSType: linux
Architecture: x86_64
CPUs: 1
Total Memory: 1.954 GiB
Name: manager1
ID: 7SAZ:IYHI:XB25:GMRN:OLUS:ERHX:4LAL:2S7A:KLYS:EDL6:GAZM:PQGX
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): true
 File Descriptors: 35
 Goroutines: 109
 System Time: 2016-07-13T11:34:31.825999312-07:00
 EventsListeners: 0
Username: mikegoelzer
Registry: https://index.docker.io/v1/
WARNING: No swap limit support
Experimental: true
Insecure Registries:
 127.0.0.0/8

$ curl --unix-socket /var/run/docker.sock http:/networks/ | jq .

{
  "Name": "bridge",
  "Id": "63eb8a3bd519a737a1eadaa5143dd89ee832be08c8370f94a8c9f1dc7f7affde",
  "Scope": "local",
  "Driver": "bridge",
  "EnableIPv6": false,
  "IPAM": {
    "Driver": "default",
    "Options": null,
    "Config": [
      {
        "Subnet": "172.17.0.0/16",
        "Gateway": "172.17.0.1"
      }
    ]
  },
  "Internal": false,
  "Containers": {},
  "Options": {
    "com.docker.network.bridge.default_bridge": "true",
    "com.docker.network.bridge.enable_icc": "true",
    "com.docker.network.bridge.enable_ip_masquerade": "true",
    "com.docker.network.bridge.host_binding_ipv4": "0.0.0.0",
    "com.docker.network.bridge.name": "docker0",
    "com.docker.network.driver.mtu": "1500"
  },
  "Labels": {}
}