OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:66:d4:7e:d3:2a:d7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:3b:c4:e4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:96:67:9c:f3:14:03
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:b6:0a:b5:51:15:fe
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:d6:81:49:14:6d:d2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-f): addr:82:1e:19:bf:07:2c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:3b:c4:e4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
