OFPST_PORT_DESC reply (xid=0x2):
 1(vlan23): addr:26:8a:e5:a0:cf:5c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:fa:1c:97:ba:85:13
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:96:b5:c4:c2:e7:35
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:12:79:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:f2:82:62:dd:4a:c7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-5): addr:5a:4e:e9:f7:48:28
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:12:79:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
