OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f4c9c8-0): addr:b2:cb:9b:89:65:ab
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:6a:bb:98:d7:10:f9
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
