OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:be:11:5f:bc:4f:0e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:26:b1:c5:34:1b:f0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:de:42:2c:fd:ef:fa
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:0e:16:2a:87:9e:b1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:66:55:de
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:66:55:de
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
