OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:85:66:71
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:32:9f:f3:c4:92:16
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:c6:1c:4e:6a:27:fd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan44): addr:96:29:ce:24:16:ae
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:9a:e2:6f:dc:ab:6c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan23): addr:1a:00:68:32:c1:df
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(patch-provnet-d): addr:4a:a7:f7:14:a7:3f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:85:66:71
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
