OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:56:ce:b9:30:f9:e6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:82:f3:c8:fd:54:2d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:c2:74:e2:51:1b:b4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:2f:f5:b6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-d): addr:0a:6d:e8:c3:8d:6f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:2f:f5:b6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
