OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:5a:89:2c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:e6:a3:13:4d:12:18
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:be:8c:40:36:b6:09
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan22): addr:da:8c:78:ce:da:df
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:ee:b6:d2:23:b9:35
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-c): addr:3e:1d:14:59:e4:dc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:5a:89:2c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
