[Bug 265767] nfe1 interface does not see traffic after reboot

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 10 Aug 2022 18:35:09 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=265767

            Bug ID: 265767
           Summary: nfe1 interface does not see traffic after reboot
           Product: Base System
           Version: 13.1-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: pi@FreeBSD.org

system is 13.1-amd64 and has a dual NIC nfe0/1 onboard

nfe0@pci0:0:8:0:        class=0x068000 rev=0xa3 hdr=0x00 vendor=0x10de
device=0x0373 subvendor=0x15d9 subdevice=0x1711
    vendor     = 'NVIDIA Corporation'
    device     = 'MCP55 Ethernet'
    class      = bridge
    bar   [10] = type Memory, range 32, base 0xfe8f6000, size 4096, enabled
    bar   [14] = type I/O Port, range 32, base 0x9400, size 8, enabled
    bar   [18] = type Memory, range 32, base 0xfe8fa800, size 256, enabled
    bar   [1c] = type Memory, range 32, base 0xfe8fa400, size 16, enabled
nfe1@pci0:0:9:0:        class=0x068000 rev=0xa3 hdr=0x00 vendor=0x10de
device=0x0373 subvendor=0x15d9 subdevice=0x1711
    vendor     = 'NVIDIA Corporation'
    device     = 'MCP55 Ethernet'
    class      = bridge
    bar   [10] = type Memory, range 32, base 0xfe8f5000, size 4096, enabled
    bar   [14] = type I/O Port, range 32, base 0x9080, size 8, enabled
    bar   [18] = type Memory, range 32, base 0xfe8fa000, size 256, enabled
    bar   [1c] = type Memory, range 32, base 0xfe8f4c00, size 16, enabled

After a reboot, nfe1 does not see traffic, even if 'up'.

ifconfig nfe1 down
ifconfig nfe1 up

seems to fix this behaviour.

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