OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-bf04dc-0): addr:fe:d0:35:a0:8b:a0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:26:d4:65:16:96:08
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
