OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f6640d-0): addr:ce:ef:d1:94:3b:30
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-fae732-0): addr:82:fe:3c:1d:55:21
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-feb242-0): addr:ce:7c:5c:7a:ac:03
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:aa:bc:ab:61:15:01
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
