OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-6cb490-0): addr:92:35:d6:8a:e2:67
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:c2:f8:59:40:60:2b
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
