import socket
import asyncio


async def main():
    loop = asyncio.get_event_loop()
    s = socket.socket(
        socket.AF_INET6,
        socket.SOCK_DGRAM,
        socket.IPPROTO_UDP
    )
    s.setblocking(False)
    await loop.sock_connect(s, ('::1%lo', 12345))


if __name__ == '__main__':
    asyncio.run(main())