OFPST_PORT_DESC reply (xid=0x2):
 1(vlan20): addr:3a:aa:3e:17:47:37
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:3a:ea:fc:90:48:b8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(eth1): addr:fa:16:3e:bc:b3:3a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:36:89:af:d0:dc:ed
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:8a:0f:85:3d:3e:f6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-1): addr:aa:b0:51:bf:29:15
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:bc:b3:3a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
