OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b2d89e-0): addr:ee:12:17:69:48:1e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:8a:a2:36:90:db:97
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
