OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b3ed04-0): addr:56:dc:90:4b:1a:9f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-2f671d-0): addr:a2:8c:e5:c4:18:75
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:06:8f:85:92:15:a8
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
