OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-5833ba-0): addr:ee:fb:4b:86:b6:c9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-4c18a9-0): addr:ce:13:f1:23:4a:b2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:fe:e2:b2:47:29:ee
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
