OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-c75895-0): addr:52:80:da:9e:7a:40
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:46:f6:25:22:11:5e
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
