OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e784d6-0): addr:ee:6d:3b:b8:8d:22
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:d2:eb:03:fc:8f:a6
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
