OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-00864c-0): addr:4a:16:fb:16:50:86
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:fe:ca:ca:62:d7:91
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
