OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:46:77:47:f4:a6:ce
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:4b:71:8b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:ce:31:43:3f:a2:0a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:42:1e:98:82:35:81
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(patch-provnet-6): addr:36:59:bd:6a:f8:a6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:4b:71:8b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
