OFPST_PORT_DESC reply (xid=0x2):
 1(vlan21): addr:5a:d4:b2:41:68:fb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:76:82:8e:d1:92:08
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:be:e1:94:6f:3e:08
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan22): addr:4a:c0:ad:d1:65:d4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:70:ea:40
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-c): addr:72:69:6f:26:92:d6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:70:ea:40
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
