OFPST_PORT_DESC reply (xid=0x2):
 1(vlan23): addr:32:e4:2a:b3:23:7a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:a6:f1:bc:c9:53:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan22): addr:d2:53:7a:58:47:0e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:16:f3:e9:19:4b:3e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:3c:e7:67
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-2): addr:9e:16:3a:42:c9:6b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:3c:e7:67
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
