apt install qemu-system
apt install qemu-user-static
# RHEL/CentOS: yum install qemu-kvm

wget https://github.com/yrzr/opnsense-tools/releases/download/24.1.5/OPNsense-24.1.5-vm-aarch64.vmdk.xz
xz -d OPNsense-*-aarch64*.*.xz
qemu-img convert -f vmdk -O raw OPNsense-*-vm-aarch64.vmdk OPNsense-out.raw
wget https://retrage.github.io/edk2-nightly/bin/RELEASEAARCH64_QEMU_EFI.fd
mv RELEASEAARCH64_QEMU_EFI.fd edk2-aarch64-code.fd
cp edk2-aarch64-code.fd /usr/share/qemu/

apt install brctl-utils
ip a
brctl delbr br0
brctl addbr br0
ip address add 192.168.192.78/24 dev br0
ip link set dev br0 up
brctl addif br0 eth0
ip address del 192.168.192.78/24 dev eth0
ip route add defaul via 192.168.192.1

qemu-system-aarch64   -bios /usr/share/qemu/edk2-aarch64-code.fd   -M virt,gic-version=max  \
-cpu cortex-a57   -smp 4   -m 2048M   -nographic   -drive format=raw,file=OPNsense-out.raw,cache=none,if=virtio  \
-netdev bridge,id=nic0,br=br0 -device virtio-net,netdev=nic0,mac=da:65:2e:22:da:8c  -netdev bridge,id=nic1,br=br0 \
-device virtio-net,netdev=nic1,mac=da:65:2e:22:da:8d

mkdir /etc/qemu
echo 'allow br0' > /etc/qemu/bridge.conf
echo 'allow all' >> /etc/qemu/bridge.conf

cd /usr/local/etc
mkdir qemu
echo 'allow br0' > /usr/local/etc/qemu/bridge.conf
echo 'allow all' >> /usr/local/etc/qemu/bridge.conf