OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-6e9f75-0): addr:5e:9e:99:07:f4:aa
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-62c03c-0): addr:9a:46:56:78:f9:a5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-11aa47-0): addr:9a:c3:3e:51:9d:00
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-07900d-0): addr:ce:39:ec:7f:66:71
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-c3237d-0): addr:ae:6a:76:bb:1d:e6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 9(tap09612b07-51): addr:fe:16:3e:f4:fc:6c
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 10(patch-br-int-to): addr:9e:a0:c7:38:36:98
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 11(tap40d5da59-60): addr:b6:63:53:f5:49:ae
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 12(tap1686a1d1-ca): addr:fa:16:3e:80:e2:ba
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3a:03:b3:f3:f1:70
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
