OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-763ceb-0): addr:7a:a8:e9:17:4a:b8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:56:b3:d6:47:a9:6a
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
