OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-cea898-0): addr:3e:c2:04:77:7f:c6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(tap64b86a6b-6d): addr:fe:16:3e:23:60:c6
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 9(tap6d0f9d9e-80): addr:62:cf:8a:a7:e1:8c
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 10(tap5c31fe8e-f9): addr:fe:16:3e:81:28:a4
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 11(tapb56ee5fa-e0): addr:6e:0e:ad:26:c1:04
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 16(patch-br-int-to): addr:1a:08:0b:54:1c:41
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 17(tap2621603a-64): addr:fe:16:3e:fc:26:ef
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 18(tap858b1061-c0): addr:ea:dc:5a:04:ee:1d
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:42:e8:09:de:a3:c1
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
