OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:97:31:32
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:de:90:57:2b:9c:42
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:e2:e7:d6:f2:ad:86
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:fe:0b:04:ba:f0:d0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan23): addr:6e:3a:c5:e8:a3:ea
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-e): addr:42:9a:01:54:07:f5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:97:31:32
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
