OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-febe6e-0): addr:e2:d3:40:4c:5d:87
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-00664b-0): addr:52:2b:6c:07:12:00
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-261cb4-0): addr:72:cb:f2:7f:bc:9f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:1e:88:37:76:46:3b
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
