OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-52d58c-0): addr:3e:c3:e9:9f:9b:0f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:e6:e5:9f:37:b6:6e
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
