OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:06:58:06:8e:f6:b4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:be:71:11:54:e8:88
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:4a:26:41:76:34:c6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:a6:8b:b8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:a6:8b:b8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
