OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-924940-0): addr:02:31:ce:39:74:f0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-0be8cc-0): addr:aa:4f:3f:bc:cc:ec
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-67fe0b-0): addr:2e:0a:fb:d6:b2:cf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:06:af:26:c8:64:7d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
