OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-db2707-0): addr:f6:a1:7f:57:96:3a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-82bd42-0): addr:52:9a:d0:8d:bd:76
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:16:27:ca:44:42:07
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
