OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8da899-0): addr:c6:ee:75:7d:b1:bc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:e6:62:6a:ad:9f:dd
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
