OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:36:11:92:bc:e3:6a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:92:dd:d1:9f:27:16
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:c2:fb:15:06:44:ee
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:66:c7:cc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(patch-provnet-a): addr:56:f5:c3:63:e0:07
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:66:c7:cc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
