OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-904545-0): addr:b2:d8:4f:ac:9c:90
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f2:3c:39:a1:81:cb
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
