OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:2e:c8:25:44:c4:09
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:ca:25:08:c3:7f:d3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:e6:0b:28:42:1e:25
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:59:43:5b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:59:43:5b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
