OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e1cd0c-0): addr:9a:67:51:73:2b:01
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ba:7a:15:7e:39:51
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
