NO IPS in machines help me please

Hey im very new on opennebula i have assigned my opennebula to a bridge (br0) connected to enp2s0 interface

source /etc/network/interfaces.d/*

The loopback network interface

auto lo
iface lo inet loopback

The primary network interface

#auto enp2s0
#iface enp2s0 inet dhcp


auto br0
iface br0 inet dhcp
bridge_ports enp2s0
#bridge_stp off

iface enp2s0 inet manual

but my machines not getting an ip in opennebula or my router but it gets a mac adress in opennebula but not in router and no interface in my machines only interface lo
i need help how to fix it?

I could say i using qemu kvm instead of kvm intel-vt

Hello someone can help me? please i need help now really fast