OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:5c:1e:31
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:1a:9d:8b:04:13:aa
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan44): addr:76:3e:ce:02:66:02
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:06:a6:fd:fa:27:a8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan22): addr:ea:79:ad:ce:f2:3f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan23): addr:4a:70:80:36:f3:79
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(patch-provnet-6): addr:42:29:6f:38:a2:9b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:5c:1e:31
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
