OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-d0516e-0): addr:56:a1:e5:e5:91:7f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:1a:68:22:bd:29:31
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
