OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-5ddf55-0): addr:f2:91:24:2a:3e:12
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-faf2da-0): addr:1e:4c:bb:ae:a1:7f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:32:94:fe:33:0c:75
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
