OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-91e3c2-0): addr:ba:ee:64:c0:41:cc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ea:95:eb:48:a3:90
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
