OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-71ecae-0): addr:e2:00:c1:db:8c:9c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:56:bc:d1:73:3a:b1
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
