OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-1193e5-0): addr:6a:03:96:dd:35:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:1e:5f:85:c6:2c:bc
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
