OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-eb580c-0): addr:ce:e0:7e:a6:1f:e2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3e:2d:51:33:e5:2e
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
