OFPST_PORT_DESC reply (xid=0x2):
 1(vlan20): addr:de:94:2a:5d:85:e6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:ea:9d:ec:0d:0e:13
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:ba:3c:74:24:ae:1e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:f8:12:25
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:7e:95:35:a0:63:19
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-6): addr:e6:7b:3f:55:44:5e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:f8:12:25
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
