OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:7a:ac:ef:b4:8c:b1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:92:32:6b:c8:2f:70
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:0e:7b:4f:48:d4:3b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:ca:3a:c6:7e:9a:bb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:06:76:11
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:06:76:11
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
