OFPST_PORT_DESC reply (xid=0x2):
 1(vlan20): addr:0e:13:10:a1:ae:42
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:2a:99:38:ff:2f:6a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan22): addr:d6:23:a0:d6:15:9b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:4c:68:d4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan23): addr:36:2a:a3:7b:c2:a3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-0): addr:de:36:f0:77:69:47
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:4c:68:d4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
