OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-198a04-0): addr:c6:9a:86:b0:28:2e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:de:3d:ee:ee:b6:87
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
