OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:0e:fa:7b:e3:a1:71
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:ae:61:46
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:c2:d4:17:a5:d0:f1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:fa:41:eb:4f:46:ce
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:8a:e1:7e:4e:af:b8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:ae:61:46
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
