OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:d2:62:13:2a:44:15
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:c2:5c:dd:10:c4:9c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:56:f3:46:d1:f2:35
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:6e:80:42:33:e3:44
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:83:c9:6d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:83:c9:6d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
