OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e644f5-0): addr:e2:6a:50:bf:64:0f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:0e:7a:ee:74:f9:1c
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
