OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-85fe2f-0): addr:66:e6:c0:d5:a2:5e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3e:d3:f7:20:d5:d0
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
