OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8f5309-0): addr:72:ba:3a:d2:e9:81
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:46:4c:5e:39:ac:51
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
