OFPST_PORT_DESC reply (xid=0x2):
 1(vlan20): addr:fe:e1:c5:40:4d:8d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:1a:7b:3d:c8:f3:65
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:1a:ad:ce:6c:64:d5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:ca:3d:d7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan22): addr:5a:cb:36:91:2b:c6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-d): addr:72:1c:3b:59:09:44
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:ca:3d:d7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
