OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b6a3de-0): addr:2a:6f:d5:b9:11:e3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(patch-br-int-to): addr:86:a7:51:8b:f5:52
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 10(tapb2cd8b2e-64): addr:fe:16:3e:de:66:1f
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 11(tap42bce1b2-70): addr:e6:52:5f:39:4a:da
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 14(tap56ca1581-42): addr:fe:16:3e:14:d0:f6
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 15(tapdaff63ed-e0): addr:16:c1:bd:26:7d:45
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:76:84:31:54:09:b3
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
