OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-674338-0): addr:8a:d5:46:72:d1:ff
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:9a:1d:ec:a6:b4:89
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
