OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:66:62:14:f5:e0:f7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:ba:ec:a7:5a:55:a0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:be:2d:76:d7:47:7f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:4f:58:f6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:4f:58:f6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
