[Bug 241704] if_tap: Not using random MAC upon creation

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241704

Eugene Grosbein <eugen at freebsd.org> changed:

           What    |Removed                     |Added
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                 CC|                            |eugen at freebsd.org

--- Comment #10 from Eugene Grosbein <eugen at freebsd.org> ---
The driver tap(4) was recently rewritten and merged with tun(4) driver to
single if_tuntap(4) driver. This may be reason behaviour change. The code now
tries to create unique but stable (non-random) MAC adress based on interface
name and contents of sysctl kern.hostuuid of the host or jail owning the
interface.

Please verify if all your systems have different kern.hostuuid or not and
report back.

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