OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-856a5a-0): addr:0e:be:40:5c:6d:42
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2e:ab:a3:5a:2f:a5
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
