OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-ac0d1e-0): addr:da:0c:1a:b0:39:d7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-1218ff-0): addr:46:ba:0d:89:c5:e9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-fc8108-0): addr:86:63:71:5b:a5:f8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:a6:29:f1:25:65:f1
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
