[Bug 292249] iwlwifi0 requires 'service netif restart' after resume (i.e. after lid close)

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292249

            Bug ID: 292249
           Summary: iwlwifi0 requires 'service netif restart' after resume
                     (i.e. after lid close)
           Product: Base System
           Version: 15.0-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: wireless
          Assignee: wireless@FreeBSD.org
          Reporter: sgharms@stevengharms.com

Greetings,

Given:

iwlwifi0@pci0:0:20:3:   class=0x028000 rev=0x20 hdr=0x00 vendor=0x8086
device=0xa0f0 subvendor=0x8086 subdevice=0x0070
    vendor     = 'Intel Corporation'
    device     = 'Wi-Fi 6 AX201'
    class      = network

and

FreeBSD homebsd 15.0-RELEASE FreeBSD 15.0-RELEASE
releng/15.0-n280995-7aedc8de6446 GENERIC amd64


Symptom:

1. Network works fine
2. Suspend system (acpiconf(8) command or lid close)
3. Re-open; applications resume function. ping(1) etc. fails
4. `service netif restart`
5. Network function returns

Background:

This issue was reported in forums at:

https://forums.freebsd.org/threads/thinkpad-t14-after-lid-close-reopening-wifi-hangs-fixed-by-netif-restart.98339

There it was noted by multiple users as being an issue.

This referred to https://reviews.freebsd.org/D50462 which was superseded by

https://reviews.freebsd.org/rG969f6c635358a079c50fd3ecd3d060bb5d9e0816

which shows as having been committed in advance of the 15.0-RELEASE.

Nevertheless my system still sees this buggy behavior.

I believe I've followed the release and merge breadcrumbs correctly so, as far
as I can tell this is a bug that was believed fixed that is still observed. I
can provide additional data if directed.

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