OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-c81d17-0): addr:96:34:09:12:bb:35
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2a:97:1c:3a:b7:c9
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
