OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:46:ce:9f:b8:2f:86
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:96:c1:73:50:b1:93
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:0a:f3:a5:11:3b:65
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:d2:4b:50:11:fe:6d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:70:98:8e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:70:98:8e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
