OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:f8:a6:02
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:5e:8c:54:15:6b:e7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan22): addr:c2:c9:ce:7e:9a:80
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan44): addr:76:89:60:c5:0b:cd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:b2:80:f5:8e:99:d5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan23): addr:76:6f:d7:e4:13:48
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(patch-provnet-6): addr:0e:13:70:70:a5:ca
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:f8:a6:02
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
