OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-bbd517-0): addr:fe:1c:23:61:c3:09
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:de:60:8a:b7:d6:7f
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
