OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-d299a3-0): addr:06:8b:f3:08:4c:ee
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:4e:73:96:f2:72:6b
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
