OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:e2:61:10:69:c8:7e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:fa:d3:47:d1:63:cf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:52:87:49:e0:b1:8f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(enp1s0): addr:52:54:00:78:2c:ee
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:52:54:00:78:2c:ee
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
