OFPST_PORT_DESC reply (xid=0x2):
 1(vlan21): addr:92:f7:ea:7e:73:a5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:36:15:f5:17:c3:9f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:0e:2e:1f:4d:b9:d7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:c8:f9:cf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan22): addr:2e:95:73:f6:7b:59
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-0): addr:ca:7d:cc:2b:d1:b1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:c8:f9:cf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
