OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-9b2e51-0): addr:16:0c:03:f0:37:3e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ba:3d:3f:f8:dd:5d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
