OFPST_PORT_DESC reply (xid=0x2):
 2(ovn-9a4403-0): addr:d2:14:89:d7:58:85
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:46:90:e9:57:15:54
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
