OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8e4a31-0): addr:1a:2a:43:13:5a:72
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-179bc2-0): addr:92:4c:89:37:3d:30
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-ded858-0): addr:86:ee:e4:db:7f:de
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-719bf6-0): addr:32:d6:1d:f7:7d:eb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-a1cf5a-0): addr:3e:60:be:5f:83:f5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:6a:7f:f8:5d:60:da
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f6:23:98:7c:04:0f
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
