Problems with Intel 82572EI NIC

[markthwain1797]

Hello everyone,

please direct me in the rigth direction if I'm wrong since I'm a first time poster.

I just started a project to build my own router/firewall and decided for a FUJITSU Futro S920 and opnsense after some research.

I also got a pci network-card: IBM 4201752
This one is not recognized as an "avaiable interface".

pciconf -lve outputs (amongst others):

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none1@pci0:1:0:0: class=0x020000 rev=0x06 hdr=0x00 vendor=0x8086 device=0x107e subvendor=0x8086 subdevice=0x1094
    vendor     = 'Intel Corporation'
    device     = '82572EI Gigabit Ethernet Controller (Fiber)'
    class      = network
    subclass   = ethernet
  PCI-e errors = Correctable Error Detected
                 Non-Fatal Error Detected
                 Unsupported Request Detected
     Non-fatal = Unsupported Request
     Corrected = Receiver Error
                 Bad TLP
re0@pci0:2:0:0: class=0x020000 rev=0x0c hdr=0x00 vendor=0x10ec device=0x8168 subvendor=0x1734 subdevice=0x11ff
    vendor     = 'Realtek Semiconductor Co., Ltd.'
    device     = 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller'
    class      = network
    subclass   = ethernet
     Corrected = Replay Timer Timeou


dmesg outputs (amongst others):

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em0: <Intel(R) PRO/1000 PF 82572EI (Fiber)> port 0xe000-0xe01f mem 0xfea40000-0xfea5ffff,0xfea20000-
em0: The EEPROM Checksum Is Not Valid
em0: IFDI_ATTACH_PRE failed 5
device_attach: em0 attach returned 5


Did I get a bad network card or is there anything else I can try?
Thanks in advance :)