OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-ef6a8b-0): addr:c2:2f:b8:84:22:c3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-3ff68c-0): addr:7e:ad:7c:8d:b5:03
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-1fc220-0): addr:22:bd:17:f3:3a:30
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:aa:72:e2:80:d1:eb
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
