OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b90b62-0): addr:82:52:d5:83:61:ee
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ce:2a:6d:b5:37:d8
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
