我在WSL 2上，使用Rust中的nix机箱，并列出网络接口，如下所示：

let ifaces = nix::ifaddrs::getifaddrs().unwrap();

for iface in ifaces {
    println!("{:#?}", iface);
}

当我这样做的时候，它奇怪地列出了三次eth0。一次是netmask为None，一次是broadcast为None。
有人知道为什么它被列出了3次吗？或者是我的WSL配置有问题吗？我希望它只出现一次，就像运行ip show link的结果一样。
我已经提供了下面的3个列表。

InterfaceAddress {
    interface_name: "eth0",
    flags: IFF_UP | IFF_BROADCAST | IFF_RUNNING | IFF_MULTICAST | IFF_LOWER_UP | IFF_NO_PI | IFF_TUN | IFF_TAP,
    address: Some(
        SockaddrStorage {
            ss: sockaddr_storage {
                ss_family: 17,
                __ss_align: 140736544452160,
            },
        },
    ),
    netmask: None,
    broadcast: Some(
        SockaddrStorage {
            ss: sockaddr_storage {
                ss_family: 17,
                __ss_align: 140736544451856,
            },
        },
    ),
    destination: None,
}
InterfaceAddress {
    interface_name: "eth0",
    flags: IFF_UP | IFF_BROADCAST | IFF_RUNNING | IFF_MULTICAST | IFF_LOWER_UP | IFF_NO_PI | IFF_TUN | IFF_TAP,
    address: Some(
        SockaddrStorage {
            ss: sockaddr_storage {
                ss_family: 2,
                __ss_align: 94107083991267,
            },
        },
    ),
    netmask: Some(
        SockaddrStorage {
            ss: sockaddr_storage {
                ss_family: 2,
                __ss_align: 94107084128296,
            },
        },
    ),
    broadcast: Some(
        SockaddrStorage {
            ss: sockaddr_storage {
                ss_family: 2,
                __ss_align: 94107084192256,
            },
        },
    ),
    destination: None,
}
InterfaceAddress {
    interface_name: "eth0",
    flags: IFF_UP | IFF_BROADCAST | IFF_RUNNING | IFF_MULTICAST | IFF_LOWER_UP | IFF_NO_PI | IFF_TUN | IFF_TAP,
    address: Some(
        SockaddrStorage {
            ss: sockaddr_storage {
                ss_family: 10,
                __ss_align: 94107083991267,
            },
        },
    ),
    netmask: Some(
        SockaddrStorage {
            ss: sockaddr_storage {
                ss_family: 10,
                __ss_align: 94107084128296,
            },
        },
    ),
    broadcast: None,
    destination: None,
}