OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:ee:67:83:db:d9:c7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:2a:fc:9e:6e:f1:8d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:62:82:25:c3:b4:ac
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:0f:0c:cd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:0f:0c:cd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
