OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f8094e-0): addr:02:29:21:6a:e3:be
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:5e:d8:55:2c:d1:2d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
