[Bug 217558] In KVM guest with VF of X710 NIC passthrough, the mac address of VF is inconsistent with it in host

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https://bugzilla.kernel.org/show_bug.cgi?id=217558

--- Comment #8 from Chen, Fan (farrah.chen@xxxxxxxxx) ---
Hi Patryk

We reproduced this issue with the latest kernel commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
a92b7d26 kernel version: 6.4.0_rc7

When you reproduce, did you create multiple VFs and passthrough all of them to
KVM guest? I found that if we only passthrough one VF to guest, the mac is the
same as it in host, but when passthrough 2 or more VFs, sometimes only the
first VF use the same mac as it in host, other VFs' mac are random; sometimes
all the VFs' mac are random.

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