OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8754b8-0): addr:d6:9a:87:04:19:26
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:42:e3:35:4d:0f:c6
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
