kubespray/roles/network_plugin/weave/templates/00-weave.conflist.j2

{
    "cniVersion": "0.3.0",
    "name": "mynet",
      "plugins": [
        {
            "name": "weave",
            "type": "weave-net",
            "hairpinMode": true
        },
        {
            "type": "portmap",
            "capabilities": {"portMappings": true},
            "snat": true
        }
    ]
}