OFPST_PORT_DESC reply (xid=0x2):
 1(vlan20): addr:f2:fa:84:82:62:ae
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:9a:5d:51:a7:73:0d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:5e:14:20:14:38:66
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:36:0d:72:78:8b:55
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:da:5b:4f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-d): addr:96:4a:a5:15:2e:29
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:da:5b:4f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
