OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-0d47b9-0): addr:36:8b:99:d5:69:10
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-7f1701-0): addr:8e:bc:1d:e6:0a:9d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(patch-br-int-to): addr:06:26:35:4d:7c:cd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(tapeee08de8-f9): addr:fe:16:3e:8e:cf:16
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 7(tap9197abc5-00): addr:8e:3b:8a:90:c8:4e
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 8(tap23a54c67-67): addr:fa:16:3e:b5:41:93
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 21(tap3ac5f212-9e): addr:fa:16:3e:ab:04:67
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 22(tapd0753771-fa): addr:fa:16:3e:6e:b5:b0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ce:4e:9b:44:ec:f5
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
