OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-2fa832-0): addr:de:9a:d9:1d:7f:fe
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-e15f55-0): addr:d2:5c:31:aa:84:bc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-93db78-0): addr:66:a6:95:cc:48:53
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:52:16:f9:28:2b:3a
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
