OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-82bd42-0): addr:52:e5:0f:dd:80:05
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-0418d9-0): addr:be:26:c9:f2:b0:1b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:6a:28:26:08:3e:f1
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
