OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:17:53:1a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:32:d7:83:53:46:c2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:da:a9:44:e6:dd:21
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan44): addr:7e:4f:0f:6e:b4:3b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan20): addr:b2:f4:5c:e3:c3:1a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(patch-provnet-b): addr:82:82:00:90:ea:d7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(vlan21): addr:ca:f1:f1:d8:39:5f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:17:53:1a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
