OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-995489-0): addr:ce:78:9d:88:8c:ca
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-c525cc-0): addr:32:55:35:ee:1b:d8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:de:12:d4:f7:18:cb
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
