OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-7c5d3b-0): addr:76:1d:78:0a:1c:ca
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f6:ac:0c:19:5f:7d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
