PluginMount

{
    "Description": "This is a mount that's used by the plugin.",
    "Destination": "/mnt/state",
    "Name": "some-mount",
    "Options": [
        "rbind",
        "rw"
    ],
    "Settable": [
        "string"
    ],
    "Source": "/var/lib/docker/plugins/",
    "Type": "bind"
}