OFPST_PORT_DESC reply (xid=0x2):
 2(ovn-c37273-0): addr:7a:2d:ea:51:58:8c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:8a:c5:b3:f3:08:a1
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
