OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-67ebc3-0): addr:6a:50:db:70:00:9d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2e:e4:c3:57:2d:00
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
