OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:3a:9d:12:57:71:af
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:36:80:d7:fb:89:60
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:b6:ff:19:95:27:de
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:7a:27:46:6e:91:98
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:43:b3:40
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-c): addr:c6:6f:07:cc:19:58
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:43:b3:40
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
