Flowinfo uint32
	Addr     [16]byte /* in6_addr */
	Scope_id uint32
	Conn_id  uint32
}

type RawSockaddrIUCV struct {
	Family  uint16
	Port    uint16
	Addr    uint32
	Nodeid  [8]int8
	User_id [8]int8
	Name    [8]int8
}

type RawSockaddrNFC struct {
	Sa_family    uint16
	Dev_idx      uint32
	Target_idx   uint32
	Nfc_protocol uint32
}

type _Socklen uint32

* Allow path parameters to have default values (e.g. `None`) and discard them instead of raising an error.
    * This allows declaring a parameter like `user_id: str = None` that can be taken from a query parameter, but the same *path operation* can be included in a router with a path `/users/{user_id}`, in which case will be taken from the path and will be required.

When we convert the OpenStack cloud provider to run in an external process, we can now use the kubernetes Secrets capability to inject the OS_* variables. This way we can specify the cloud configuration as a configmap, and specify secrets for the userid/password information. The configmap is mounted as a file, and the secrets are made available as environment variables. The external controller itself runs as a pod/daemonset. For backward compatibility, we preload all the OS_* variables, and if anything...