OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-69681b-0): addr:ee:4b:29:3b:27:ba
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:96:3b:b6:7f:17:39
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
