# Arch
sudo pacman -S virt-manager qemu qemu-arch-extra ovmf vde2 \
ebtables dnsmasq bridge-utils openbsd-netcat
# Ubuntu server
sudo apt install qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils virtinst
sudo systemctl enable libvirtd.service
sudo systemctl start libvirtd.service
<network>
<name>br10</name>
<forward mode='nat'>
<nat>
<port start='1024' end='65535'/>
</nat>
</forward>
<bridge name='br10' stp='on' delay='0'/>
<ip address='192.168.30.1' netmask='255.255.255.0'>
<dhcp>
<range start='192.168.30.50' end='192.168.30.200'/>
</dhcp>
</ip>
</network>
sudo virsh net-define br10.xml
sudo virsh net-start br10
sudo virsh net-autostart br10