OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-fc36ba-0): addr:c2:55:33:d5:a5:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:e2:30:c3:dc:6f:dc
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
