OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-feab6d-0): addr:a2:fb:e4:34:0b:03
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-150d59-0): addr:de:fa:ee:e5:67:b7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-9f96b9-0): addr:4e:1c:13:bc:a1:83
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:be:f9:e2:c3:16:cd
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
