nights99

networks:
  hosta-gi0-hostb-gi0:
    driver_opts:
      com.docker.network.container_iface_prefix: xr-1
    internal: true
    name: hosta-gi0-hostb-gi0
  hosta-gi1-hostb-gi1:
    driver_opts:
      com.docker.network.container_iface_prefix: xr-0
    internal: true

nights99

MultiThreadedEventLoopGroup.withCurrentThreadAsEventLoop { el in
    let fut = el.scheduleTask(in: .seconds(1), {() throws -> Bool in print("Foo");return true;})

    fut.futureResult.whenComplete { (result: Result<Bool, Error>) -> Void in
        el.shutdownGracefully { error in
            print(error)
        }
    }
}