OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-c6c08a-0): addr:86:40:e5:e0:5d:1b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:aa:61:ca:9c:37:33
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
