OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:cd:74:b1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan44): addr:56:b0:a6:b2:82:c0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:be:eb:0d:70:6e:1c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:d2:d2:51:9f:50:f8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan23): addr:26:27:d9:9a:0c:b9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan22): addr:02:c7:a4:9b:30:19
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:cd:74:b1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
