OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e047ec-0): addr:9a:44:a7:e3:21:01
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:16:98:99:1d:58:c4
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
