OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:33:96:90
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:06:cc:2f:9b:75:4d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:02:2b:f4:6b:31:52
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:52:9c:3a:2a:37:c2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan22): addr:06:1f:a7:0e:56:c8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan44): addr:8a:e1:09:9c:f0:7f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(patch-provnet-d): addr:26:28:0b:b7:62:c5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:33:96:90
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
