OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:26:62:54:7a:95:04
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:26:9c:6b:57:0a:1e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:0a:3a:4b:6b:11:92
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:3a:df:11
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:3a:df:11
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
