OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-26f986-0): addr:a6:3c:6e:a7:9a:77
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-ade391-0): addr:d2:93:93:bd:e6:30
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-9b5ed7-0): addr:fa:9d:41:a9:04:a0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-c237ed-0): addr:06:c1:c6:98:f4:2f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-49b8a0-0): addr:9e:9f:86:1f:05:2d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:92:79:24:f7:da:d6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ea:29:24:82:a6:26
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
