OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f66079-0): addr:3e:bc:42:1b:9e:51
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-95d934-0): addr:5a:32:2c:30:49:04
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-8f5cbc-0): addr:c6:3a:55:af:c0:26
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:e2:ba:65:6e:be:59
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
