OFPST_PORT_DESC reply (xid=0x2):
 1(vlan21): addr:22:1a:d3:69:cc:63
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:c0:b3:4f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:4e:a3:97:42:a2:ce
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan22): addr:86:83:b7:7d:5c:f0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan23): addr:aa:28:17:fc:94:ba
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-5): addr:7a:f6:64:20:8d:8c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:c0:b3:4f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
