OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-feab6d-0): addr:7e:29:57:87:23:f0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-03fe05-0): addr:ba:fd:e0:cc:10:76
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-150d59-0): addr:16:7d:66:2a:36:71
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ca:ef:d3:0f:7d:0d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
