OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-fdf940-0): addr:66:5a:69:b2:55:28
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-81ab3f-0): addr:12:9e:08:8b:d5:9c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:c6:ab:79:32:e5:00
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
