OFPST_PORT_DESC reply (xid=0x2):
 2(ovn-7bf25e-0): addr:ee:08:8c:a0:c7:fc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ca:d6:77:5d:bd:66
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
