OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-5d8c5c-0): addr:32:35:b0:41:99:81
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2e:91:49:72:39:72
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
