OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:fa:fa:7a:c4:c1:64
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:7b:b2:8e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:5e:b6:64:4d:89:b4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:fe:9d:e0:15:7c:ff
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan23): addr:26:86:ee:bd:13:5a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:7b:b2:8e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
