OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:fa:d4:40:f9:a6:2b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:ae:9a:8d:8a:f0:25
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:46:7c:40:a1:b3:d6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:c6:41:f4:06:71:d5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:9a:c6:c0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-9): addr:2e:fc:32:c0:17:4d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:9a:c6:c0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
