Also verifying this on Azure Cloud.

I enabled -proposed and installed qemu 4.2-3ubuntu6.3 on a Focal
instance.

$ sudo apt-cache policy qemu-kvm | grep Installed
  Installed: 1:4.2-3ubuntu6.3

>From there I executed the following:

$ sudo -s
# apt install qemu-kvm bridge-utils
# BR_NAME="br0"
# BR_ADDR="192.168.1.10"
# ip link add "$BR_NAME" type bridge
# ip addr add "$BR_ADDR"/24 dev "$BR_NAME"
# ip link set "$BR_NAME" up
# tap_name="tap1"
# br_name=$BR_NAME
# ip tuntap add $tap_name mode tap user $(whoami) multi_queue
# ip link set $tap_name up
# ip link set $tap_name master $br_name

Download a guest VM:

# wget https://cloud-images.ubuntu.com/focal/current/focal-server-
cloudimg-amd64-disk-kvm.img

Launch the VM:
# /usr/bin/qemu-system-x86_64 -cpu host -smp 2 -m 2048 -hda 
focal-server-cloudimg-amd64-disk-kvm.img -device 
virtio-net-pci,netdev=net0,mac=52:54:00:f5:be:83 -netdev 
user,id=net0,hostfwd=tcp::60022-:22 -device 
virtio-net-pci,netdev=net1,mac=52:54:00:c6:29:dc,mq=on,vectors=10 -netdev 
tap,id=net1,ifname=tap1,script=no,vhost=on,queues=4 -display none -enable-kvm 
-daemonize

QEMU successfully starts without error, and checking ps and logs shows
the QEMU VM is alive and well:

2500 ?        Sl     0:31 /usr/bin/qemu-system-x86_64 -cpu host -smp 2
-m 2048 -hda focal-server-cloudimg-amd64-disk-kvm.img -device virtio-
net-pci,netdev=net0,mac=52:54:00:f5:be:83 -netdev user,id=

I can ping the VM and ssh in.

I am happy to also say this bug is verified.

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https://bugs.launchpad.net/bugs/1882774

Title:
  issues with secondary VMX execution controls

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