OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-9ad46e-0): addr:32:51:c9:95:65:96
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-47f4a0-0): addr:fa:1a:0e:5f:92:8e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ca:a4:bd:d7:1a:3e
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
