OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:0e:6c:f5:c8:81:80
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:2a:2b:54:f2:a2:4c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:4e:ae:a7:ea:3c:fe
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:74:f2:26
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:74:f2:26
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
