OFPST_PORT_DESC reply (xid=0x2):
 2(ovn-c7fd2d-0): addr:0e:91:6e:53:89:24
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2e:ef:f5:cb:e6:90
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
