OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f50c74-0): addr:ee:62:9a:cc:2d:b3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:fa:c1:b8:87:5b:49
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
