OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b142a5-0): addr:22:86:d1:16:09:50
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-61ffd9-0): addr:e2:06:f2:5e:36:17
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-ca3c1f-0): addr:22:7c:8f:a0:66:4f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-33b2d0-0): addr:b2:2f:fa:8b:15:3e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-bd2a75-0): addr:e2:9f:c7:0e:9f:8e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:a2:57:ce:94:1d:6f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:62:2d:11:92:3c:e1
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
