OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e6126e-0): addr:2a:a1:a4:68:0b:52
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-af8046-0): addr:32:5f:d1:39:4b:93
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:06:f0:78:8f:db:4f
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
