OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e6c64c-0): addr:42:ab:8b:b3:53:8e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2e:0f:c5:e1:bc:48
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
