OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-735af9-0): addr:7a:cb:32:e7:96:1e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:1a:07:64:c8:79:08
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
