OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a84029-0): addr:3e:1d:9d:4e:a0:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-f59cdb-0): addr:32:7d:48:57:e5:39
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-c06836-0): addr:e6:55:15:a5:72:d4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:22:d2:c2:d4:22:19
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
