OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-c0ab19-0): addr:26:a8:c1:1a:44:87
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-dbf8a5-0): addr:76:d4:d6:d2:1a:1b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-0ca247-0): addr:7e:73:1f:0d:44:da
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:1e:a8:8e:65:79:1b
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
