OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-446bb9-0): addr:1a:0f:6b:19:9e:18
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:26:2c:95:e6:4f:58
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
