OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-61ffd9-0): addr:c2:88:af:ea:18:46
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-b142a5-0): addr:9e:a0:09:f7:10:43
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-33b2d0-0): addr:8a:92:50:92:eb:e3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-afa07b-0): addr:92:00:08:c3:ff:02
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-bd2a75-0): addr:fe:01:a8:7a:76:0a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:02:e4:79:bc:9f:4b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:46:ad:dc:50:7c:f0
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
