OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:ae:6f:07:8b:1b:ec
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:76:fa:11:22:f7:1e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:96:a1:ce:96:6d:43
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:f9:eb:a0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(patch-provnet-f): addr:1a:fe:84:45:19:b4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:f9:eb:a0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
