OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-ca9d37-0): addr:86:31:68:e0:ea:d7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:6a:a7:53:dc:b4:f5
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
