OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-88a841-0): addr:3a:c4:e2:03:ca:d8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-89a2e2-0): addr:9a:80:ad:7c:65:7e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ce:11:99:24:5e:81
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
