OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e8be1d-0): addr:52:85:b9:8c:58:90
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:d6:12:e0:26:ca:f1
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
