OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-edd465-0): addr:9a:d7:58:b7:cc:88
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-a80958-0): addr:1e:ee:38:b1:03:74
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ba:bd:d8:80:ce:17
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
