ec.set(tap2, "prefix4", 24)
ec.register_connection(tap2, node4)
ec.set(tap2, "prefix4", 24)
ec.register_connection(tap2, node4)
ec.register_connection(port1, ovstun1)
ec.register_connection(tap1, ovstun1)
ec.register_connection(port1, ovstun1)
ec.register_connection(tap1, ovstun1)
ec.register_connection(port3, ovstun2)
ec.register_connection(tap2, ovstun2)
ec.register_connection(port3, ovstun2)
ec.register_connection(tap2, ovstun2)
ec.register_connection(port2, ovstun3)
ec.register_connection(port4, ovstun3)
ec.register_connection(port2, ovstun3)
ec.register_connection(port4, ovstun3)