OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:0e:ae:98:0e:c1:61
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:c2:8b:6a:b5:d9:3b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:32:11:57:04:9d:00
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:42:f1:58
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:42:f1:58
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
