OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b7d5b3-0): addr:da:0f:49:33:a1:d6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-26f986-0): addr:36:d8:c8:3e:d0:70
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-ade391-0): addr:ce:1a:5f:68:8e:16
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-9b5ed7-0): addr:66:72:ea:06:d7:10
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-c237ed-0): addr:06:cd:b9:b2:88:19
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:32:2e:91:92:98:a6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:32:91:74:20:39:cb
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
