OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-1f332b-0): addr:0a:1a:39:54:34:17
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-47e202-0): addr:ca:fd:9f:e6:3b:da
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:92:29:4c:89:0d:9a
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
