Linux Bridge + VirtIO Performance: Ubuntu vs FreeBSD

I've seen many posts about this but many seem dated...

I have a PVE node running on a C3758R CPU and I've created a Linux Bridge that is bound to a 10Gbps X553 port. On this box, I have 3x VMs and they are all sharing this bridge to my LAN:
1) Ubuntu Server 22.04.4 LTS (x86-64-v2-AES CPU + virtio enet)
2) OPNsense v24.1 [FreeBSD 13.2] (x86-64-v2-AES CPU + virtio enet)
3) pfSense 2.7.2 [FreeBSD 14.0] (x86-64-v2-AES CPU + virtio enet)

To test, I run an iperf server out on my LAN.... iperf...

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