OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:31:81:1a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:f2:92:38:5a:b2:a4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:a6:b6:6b:f5:ea:58
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:76:bc:87:62:a5:5d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan20): addr:66:b5:42:d6:14:ab
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:31:81:1a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
