OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-4d8a6a-0): addr:4a:2a:ea:aa:fb:ae
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:c2:2e:5c:ba:00:51
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
