OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:f7:6f:1d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:5a:e3:2a:73:b4:c7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:da:c0:f7:85:c3:48
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan22): addr:b2:0f:73:5c:85:eb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:06:b6:aa:3b:cf:cf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-d): addr:46:0d:6d:50:24:01
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:f7:6f:1d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
