OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:87:0e:03
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:0e:6a:3e:68:6f:1e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:4e:52:2e:58:ed:6c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan22): addr:6a:be:51:45:49:7d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan44): addr:6e:be:89:6e:eb:26
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan20): addr:c2:0f:b9:5e:d2:1b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:87:0e:03
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
