OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:ae:e5:e8:c7:e1:3e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:ca:5c:c5:2d:09:51
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:f6:6f:d2:09:82:2d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:5c:62:1d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:5c:62:1d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
