new_iface("vmbr0", 'bridge', [{ family => 'inet' }], bridge_ports => 'eth0');
new_iface("vmbr1", 'OVSBridge', [{ family => 'inet' }], ovs_ports => 'eth1');
r(w());
new_iface("vmbr0", 'bridge', [{ family => 'inet' }], bridge_ports => 'eth0');
new_iface("vmbr1", 'OVSBridge', [{ family => 'inet' }], ovs_ports => 'eth1');
r(w());