OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-24ac2a-0): addr:e2:b6:49:47:4b:6b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-ac65a0-0): addr:96:df:83:2b:0d:a2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:e6:52:6a:35:9f:42
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
