OFPST_PORT_DESC reply (xid=0x2):
 2(ovn-387494-0): addr:9e:e4:5f:97:78:3e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:de:07:3f:6e:5f:f7
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
