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我在 ubuntu 16.04 上添加网卡（OneConnect 10Gb）并显示 ethtool 命令，但输出显示速度和双工未知！。

任何想法解决这个问题。

xxx:~# ethtool  enp12s0f0
Settings for enp12s0f0:
        Supported ports: [ FIBRE ]
        Supported link modes:   1000baseT/Full
                                10000baseT/Full
        Supported pause frame use: Symmetric
        Supports auto-negotiation: No
        Advertised link modes:  Not reported
        Advertised pause frame use: No
        Advertised auto-negotiation: No
        **Speed: Unknown!
        Duplex: Unknown! (255)**
        Port: FIBRE
        PHYAD: 1
        Transceiver: external
        Auto-negotiation: off
        Supports Wake-on: d
        Wake-on: d
        Current message level: 0x00002000 (8192)
                               hw
        Link detected: no

以太网设备驱动程序和固件信息：

driver: be2net
version: 10.6.0.3
firmware-version: 4.0.360.3 …