/interface bridge add name=vm-bridge /metarouter add name=mr0 add name=mr1 /metarouter interface add virtual-machine=mr0 type=static static-interface=ether1 add virtual-machine=mr0 type=dynamic dynamic-bridge=vm-bridge add virtual-machine=mr1 type=static static-interface=ether4 add virtual-machine=mr1 type=dynamic dynamic-bridge=vm-bridge