OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e8c983-0): addr:5e:16:2e:5c:ac:bc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-bbbaff-0): addr:7e:c7:4a:16:8d:05
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:a2:db:32:46:63:75
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
