OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-45444b-0): addr:aa:8a:df:49:6c:2b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:be:c9:fc:9f:9a:71
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
