OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:12:e9:d8:fd:7f:73
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:ae:ab:68:19:df:33
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:02:0c:26:ca:ac:16
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:1e:eb:1b:2a:43:2b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:4d:55:a5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-a): addr:56:5c:3d:05:8c:8a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:4d:55:a5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
