[Bug 283400] if_bridge(4) contains false statement about link address selection

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 29 May 2025 21:13:08 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=283400

--- Comment #5 from Maxim Konovalov <maxim@FreeBSD.org> ---
So, I created the following diff that does two changes:

1. Clarifies the MAC address type, it is UAA instead of LAA.

2. Makes it clear that it is not random but rather a hash.

The man page already covered possible MAC address conflict across different
machines so I left this part intact.

@@ -81,8 +81,11 @@ variable in
 .Pp
 The
 .Nm
-interface randomly chooses a link (MAC) address in the range reserved for
-locally administered addresses when it is created.
+interface chooses a link (MAC) address in the range reserved for
+universally administered addresses when it is created.
+The address is derived from the host UUID, jail name, and the
+.Nm
+interface name.
 This address is guaranteed to be unique
 .Em only
 across all
%%%

Please let me know if the above good enough to be committed.

Thanks,

Maxim

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