OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-cd2e60-0): addr:3a:4a:ac:11:cc:ef
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-515e07-0): addr:a2:3a:f7:1f:93:d8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-9500eb-0): addr:c2:01:eb:33:6a:4d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-2587fe-0): addr:a6:71:67:b3:ce:5e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-4d166c-0): addr:46:73:01:c2:13:4b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:ba:9e:c0:5d:f2:af
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:0e:5e:dc:85:63:d9
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
