OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a2d0a0-0): addr:82:34:16:4a:e1:6a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ca:cd:b2:81:2f:d8
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
