OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:62:62:d6:8f:be:f7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:1a:bc:d9:c6:75:0b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:ce:b1:2f:a8:96:b2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:7f:55:e8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:7f:55:e8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
