OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-62d0d9-0): addr:2e:90:4d:9f:a9:f7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:52:5d:e4:11:97:1e
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
