OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:7a:e8:9a:c7:8b:93
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:6e:90:d4:f9:20:20
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:72:97:38:88:0b:98
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:aa:82:a1:70:4b:33
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:30:c2:98
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:30:c2:98
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
