OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:de:f3:4f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:6e:20:d3:93:cf:d2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:e2:ac:19:49:f2:00
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan22): addr:e2:f4:3e:6c:53:ce
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan23): addr:ca:b8:94:d0:a5:68
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan44): addr:0a:5f:25:11:c7:c5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(patch-provnet-7): addr:8e:bb:a8:62:22:6d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:de:f3:4f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
