OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e0a111-0): addr:aa:64:4c:bf:c4:d5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:c2:74:d9:f5:22:75
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
