OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:d6:83:90:c2:e6:f7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:9a:3d:b2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:76:d2:87:cd:6d:e6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:ee:e7:5f:71:79:b5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:e2:96:ac:ef:b4:88
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:9a:3d:b2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
