OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-9487c1-0): addr:52:05:f0:0a:fc:2f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:1e:c8:7a:62:81:c1
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
