OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:50:fc:22
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:9a:b2:0f:87:02:fa
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:22:61:68:24:0d:38
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:56:ce:da:97:58:b3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:50:fc:22
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
