OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-6455d0-0): addr:4a:d7:42:4f:5e:0e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:36:e3:c5:cd:07:67
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
