OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-2d756a-0): addr:c6:41:39:3a:65:f0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ea:f8:8c:59:c3:8f
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
