OFPST_PORT_DESC reply (xid=0x2):
 2(ovn-2cbbf5-0): addr:8a:b2:8e:a5:c5:a7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b2:b3:f5:6d:13:50
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
