OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-2c0d87-0): addr:ce:11:93:e3:18:d2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:8a:4d:01:99:b3:cf
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
