OFPST_PORT_DESC reply (xid=0x2):
 2(o-hm0): addr:fa:16:3e:63:70:1f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(tap90174fa2-4b): addr:fa:16:3e:79:38:a9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(tapac5c5116-1c): addr:fa:16:3e:c6:90:1f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:de:be:13:14:5b:88
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(tap5c2ef76e-10): addr:b6:b3:d9:4c:54:11
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 9(tap71500d31-10): addr:fe:16:3e:a9:12:44
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 10(ovn-48e2cc-0): addr:0a:e9:ec:7e:4d:e5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 11(tap6ab33738-6b): addr:fa:16:3e:ad:6b:90
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 12(tapf9484a57-42): addr:fa:16:3e:33:80:89
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 14(tap23b7f762-b9): addr:fe:16:3e:a4:a0:4d
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b6:b3:31:0f:94:ad
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
