OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a07c19-0): addr:da:a6:7a:db:6b:a0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:0e:9a:cc:14:e9:00
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
