OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:8e:e6:2f:7d:2a:18
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:62:6e:9d:5e:ee:39
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:aa:32:64:5f:a9:d2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:36:4f:6e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-5): addr:1e:9d:de:f7:62:eb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:36:4f:6e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
