OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-d254f5-0): addr:ba:07:26:d0:b3:95
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-235410-0): addr:6a:01:4a:ff:f9:c5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-416435-0): addr:0e:41:26:f6:ce:3f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b6:ab:e4:bb:7c:83
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
