OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8e4a31-0): addr:2a:64:00:dc:0b:a1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-179bc2-0): addr:ca:f2:ce:60:a1:5d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-ded858-0): addr:fe:b4:9a:63:9f:c1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-719bf6-0): addr:ca:67:7e:7b:08:dd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-d3c7df-0): addr:ba:fd:02:2c:60:08
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 9(tap227fe5b2-a5): addr:fe:16:3e:91:02:64
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 10(patch-br-int-to): addr:d6:0e:2f:e4:ee:09
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 11(tap20509a6a-c0): addr:82:08:2f:31:48:d5
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 12(tap665356bf-af): addr:fa:16:3e:c6:9b:92
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:5e:40:7c:80:e4:28
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
