OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-54dbde-0): addr:d6:d0:f0:b8:81:35
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:96:8e:ef:65:a9:b5
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
