OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:45:86:99
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:46:1a:a6:df:2d:e2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan44): addr:6e:2e:ea:97:d6:79
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:da:0a:75:6a:e4:52
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:4e:52:73:25:81:9d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan20): addr:6a:8c:e5:82:80:b2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(patch-provnet-6): addr:aa:4a:d9:8c:ec:55
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:45:86:99
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
