OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:2a:cd:9d:4e:0b:29
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:12:0a:64:6d:d0:6c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:56:e7:f9:ed:7d:be
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:16:4d:4a:19:9d:65
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:c5:8a:62
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-1): addr:4a:15:74:fa:a4:4d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:c5:8a:62
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
