OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-7661b8-0): addr:72:7f:01:ec:67:ce
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:82:24:bd:bc:56:3a
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
