[Bug 270859] dmesg message: mce0: a looped back NS message is detected during DAD

From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 13 May 2023 19:43:10 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270859

--- Comment #4 from benoitc <benoitc@enki-multimedia.eu> ---
Hi,

They are set to 1 in the hypervisor:

```
benoitc@pollen1:~ $ sudo sysctl -a |grep mc_local_lb
dev.mce.2.conf.mc_local_lb: 1
dev.mce.1.conf.mc_local_lb: 1
dev.mce.0.conf.mc_local_lb: 1
benoitc@pollen1:~ $ sudo sysctl -a |grep uc_local_lb
dev.mce.2.conf.uc_local_lb: 1
dev.mce.1.conf.uc_local_lb: 1
dev.mce.0.conf.uc_local_lb: 1
```

What does it means if I disable them?

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